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202 Commits

Author SHA1 Message Date
403021caef Create branch to keep WIP patch for modular build.
[SVN r85883]
2013-09-25 08:12:19 +00:00
3b24ed44f8 specialization of convert_impl for map_tag, refs #8759
[SVN r84937]
2013-07-02 02:10:04 +00:00
7922147716 update fusion Nil template parameters to Nil_ to make ObjC happy. trac #5010
[SVN r84441]
2013-05-23 01:02:52 +00:00
13d00bd6c2 minor updates to fusion docs
[SVN r84440]
2013-05-22 23:28:12 +00:00
56d0d48eb9 added static assert when N is > size of vector
[SVN r84283]
2013-05-14 21:10:02 +00:00
e83960d3e9 allow map keys to be forward declared only
[SVN r84275]
2013-05-13 23:01:05 +00:00
92ee36a556 Fixes #8336
[SVN r84002]
2013-04-21 14:07:21 +00:00
52298c686e Fixes #8456
[SVN r84001]
2013-04-21 14:00:37 +00:00
80b4ce43c5 Fixes #8418
[SVN r84000]
2013-04-21 13:54:59 +00:00
b36426c8e3 patches from tongari: allow custom Associative Sequence which doesn't have fusion::pair
as elements.

[SVN r83455]
2013-03-16 07:28:23 +00:00
d354c5183b Tweaks for MSVC. MSVC version of map is not yet move enables so it is failing the move test
[SVN r82728]
2013-02-04 12:15:02 +00:00
fb3bd4cea8 minor cleanup
[SVN r82727]
2013-02-04 11:54:59 +00:00
9672fe5385 map move supported + value_at_impl added
[SVN r82726]
2013-02-04 11:52:58 +00:00
085c3c25ca more map tests (including move test)
[SVN r82725]
2013-02-04 11:52:18 +00:00
85119dbd21 added as_map
fixed bug: wrong iterator category for map_iterator

[SVN r82721]
2013-02-04 09:52:52 +00:00
764a31e9f5 fixed typo
[SVN r82714]
2013-02-04 06:22:50 +00:00
228401d898 More map tests and more API features implemented + tweaks to affected components
[SVN r82713]
2013-02-04 06:21:45 +00:00
aba201eb4e Added more map tests
[SVN r82712]
2013-02-04 06:20:10 +00:00
9c5d6bcc8c added pair < operator for case where key (first type) is the same.
[SVN r82709]
2013-02-04 04:10:29 +00:00
7b6cf39540 modern c++11 map implemented + various tweaks
[SVN r82708]
2013-02-04 03:49:34 +00:00
996f4152d2 modern c++11 map implemented
[SVN r82707]
2013-02-04 03:46:42 +00:00
d128c6f6aa Moving non-variadic map implementation to detail/cpp03 directory
[SVN r82701]
2013-02-03 11:50:48 +00:00
fec1da027c Cleanup deque to clearly separate the C++03 code from c++11 code
[SVN r82698]
2013-02-03 10:31:46 +00:00
a1a6e42590 Removing the preprocessed file generation which is meant for internal use only
[SVN r82697]
2013-02-03 10:13:41 +00:00
4272519a3c cleanup
[SVN r82670]
2013-01-31 15:56:00 +00:00
9dcdfa323f Better deque conversion
[SVN r82669]
2013-01-31 15:31:28 +00:00
5a520585d8 Fixes #7955
[SVN r82668]
2013-01-31 13:01:36 +00:00
1823f30420 Some cleanup
[SVN r82636]
2013-01-27 14:41:39 +00:00
f96bbef8fa MSVC (VC11) fixes for latest updates
[SVN r82634]
2013-01-27 12:15:26 +00:00
f1687bffcf Added LF at the end
[SVN r82632]
2013-01-27 10:14:40 +00:00
6c17c04ce6 Workaround for some tests on C++11 to allow disambiguation of && and const& arguments to ctors
[SVN r82631]
2013-01-27 10:14:16 +00:00
b7d02a8c55 + Fixes ticket #7914
+ C++11 implementations for make_deque, deque_tie and as_deque

[SVN r82630]
2013-01-27 07:17:01 +00:00
6a47d86d72 C++ fixes
[SVN r82629]
2013-01-27 07:13:58 +00:00
2f61e2b707 disabling some tests with errors on c++11
[SVN r82628]
2013-01-27 04:24:40 +00:00
ea0cad5800 Added fusion::move algorithm
[SVN r82550]
2013-01-19 14:37:00 +00:00
f9d6e05676 Applied patches for Tickets #7738, #7737 and #7646
[SVN r82348]
2013-01-04 01:43:06 +00:00
211b47b47d clarify in fusion docs that associative sequences are not checked for key uniqueness.
[SVN r81891]
2012-12-13 09:41:50 +00:00
6d265316ed Workaround for ObjC (mis)use of nil (from Mathias Gaunard)
[SVN r81628]
2012-11-30 02:31:23 +00:00
8d6200ef58 Removed usage of deprecated macros in Boost.Fusion and Boost.Spirit
[SVN r81569]
2012-11-26 18:44:46 +00:00
e1819c11b2 Remove usage of deprecated macros
[SVN r81452]
2012-11-21 03:12:31 +00:00
cfbbba272e Fixes for Ticket #7569 ( Compile Error using BOOST_FUSION_DEFINE_STRUCT_INLINE with VC10 and GCC <4.5 )
[SVN r81165]
2012-11-04 00:18:41 +00:00
d01148d339 Fixed typo
[SVN r81164]
2012-11-03 23:44:36 +00:00
f760ed7b8f removing c++11 requirements in jamfile (mistakenly added)
[SVN r80865]
2012-10-05 06:15:02 +00:00
752f911a91 #7427 (Warning fixes in fusion)
[SVN r80812]
2012-10-02 01:12:19 +00:00
b57cd4ede9 - patch from nathan ridge
- fixed deque regression 

[SVN r80458]
2012-09-09 00:27:37 +00:00
a856857cb7 - Fixed code to allow decltype implementation of boost::result_of with BOOST_RESULT_OF_USE_DECLTYPE defined.
- Reverted sequence/iterator.hpp to original <correct-no-workaround> version.

[SVN r80396]
2012-09-04 13:42:14 +00:00
78ff3d8831 Fixed code to allow decltype implementation of boost::result_of with BOOST_RESULT_OF_USE_DECLTYPE defined.
[SVN r80395]
2012-09-04 13:40:38 +00:00
80799eed95 C++11 fixes for deque
[SVN r80392]
2012-09-04 05:04:26 +00:00
35ec74edbc C++11 fixes for deque
[SVN r80391]
2012-09-04 05:04:25 +00:00
106702d388 Fix to silence MSVC warnings (Nathan Ridge)
[SVN r80368]
2012-09-03 07:08:47 +00:00
4382b64aa7 Updated changelog
removed unmaintained todo.txt

[SVN r80347]
2012-09-01 02:12:46 +00:00
26ba07f36c move-assign test tweaks
[SVN r80346]
2012-09-01 02:02:09 +00:00
a53f93ff1a move-assign for vector
[SVN r80345]
2012-09-01 02:01:26 +00:00
705ca2b61b move-assign for deque
[SVN r80344]
2012-09-01 01:04:12 +00:00
e587ad4d50 Added move-assign test
[SVN r80343]
2012-09-01 01:02:46 +00:00
3613310b62 deque move-ctor OK on gcc
[SVN r80334]
2012-08-31 15:58:31 +00:00
5946ab9936 deque move-ctor OK on gcc
[SVN r80333]
2012-08-31 15:57:49 +00:00
c8b47ca3ca Added move ctors for vector and deque (deque for gcc partially working for now)
no preprocessed files yet

[SVN r80331]
2012-08-31 14:33:12 +00:00
16de1dcd01 Added move ctors for vector and deque (deque for gcc partially working for now)
[SVN r80330]
2012-08-31 14:32:08 +00:00
038976991e Fixed MSVC errors (from Nathan Ridge)
[SVN r80326]
2012-08-31 04:12:29 +00:00
4ccb4328f6 Fusion: fixing bogus preprocessor directive (missing newline at end of file)
[SVN r79788]
2012-07-28 20:44:56 +00:00
eaf9e79e85 latest patch from Nathan Ridge
[SVN r79306]
2012-07-05 23:40:17 +00:00
a3b0cad1e7 latest oatch from Nathan Ridge
[SVN r79305]
2012-07-05 23:39:50 +00:00
85583b5ea9 allow boolean traits implementations to use std::true_type and std::false_type
[SVN r79131]
2012-06-27 04:27:50 +00:00
191a3d75ed Fix for Ticket #6965 from Joel Falcou
[SVN r79099]
2012-06-26 10:16:35 +00:00
136331963a Added test for Ticket #6965
[SVN r79098]
2012-06-26 10:14:49 +00:00
70589c53c6 BOOST_FUSION_DEFINE_STRUCT_INLINE patch by Nathan Ridge
[SVN r78509]
2012-05-19 01:24:55 +00:00
ed3776ce8c BOOST_FUSION_DEFINE_STRUCT_INLINE patch by Nathan Ridge
[SVN r78508]
2012-05-19 01:24:16 +00:00
a46bd7ab72 patch for ticket #6910 by michel
[SVN r78507]
2012-05-19 01:18:43 +00:00
8ce40ebd0c Patch by Nathan Ridge to allow BOOST_FUSION_ADAPT_ADT adapted classes to be compared using relational operators.
[SVN r78490]
2012-05-17 01:10:20 +00:00
51ade6529c typo fix by Mario Lang
[SVN r78464]
2012-05-14 00:41:42 +00:00
b63c8214d7 Patches from Nathan Ridge using SFINAE to disable the Fusion algorithms for non-{Fusion sequence} types
[SVN r78463]
2012-05-14 00:37:21 +00:00
66e8a6d3b7 Doc updates for deque
[SVN r78199]
2012-04-26 00:03:42 +00:00
524769f6fb patch for clang from Michel Morin
[SVN r78176]
2012-04-24 01:40:17 +00:00
654dfbedb8 patch for clang from Michel Morin
[SVN r78175]
2012-04-24 01:39:43 +00:00
fad4a7ebeb rearranging files
[SVN r78106]
2012-04-21 06:09:54 +00:00
01f002f084 tweaked cref_result and ref_result to be non-lazy (for consistency).
[SVN r78058]
2012-04-18 02:57:56 +00:00
c8224c8bdf deque fix for ambiguity and making ctors explicit
[SVN r78056]
2012-04-18 01:18:10 +00:00
b7eda8d0f4 Doc updates for deque
[SVN r77984]
2012-04-15 09:47:19 +00:00
ecc87abaab more deque updates
[SVN r77967]
2012-04-14 00:57:15 +00:00
a3c2258017 Added deque docs
[SVN r77879]
2012-04-10 02:30:18 +00:00
d87b5a8000 minor tweaks
[SVN r77814]
2012-04-07 12:02:16 +00:00
b34a8c79e8 hide detail stuff
[SVN r77812]
2012-04-07 11:07:35 +00:00
ec99f829f3 updates
[SVN r77811]
2012-04-07 10:57:10 +00:00
2936fd30fb missing include
[SVN r77810]
2012-04-07 10:26:23 +00:00
a36f0f95cb c++ port of deque working
[SVN r77809]
2012-04-07 10:08:00 +00:00
93ce3bd9bf c++ port of deque underway
[SVN r77808]
2012-04-07 09:56:07 +00:00
e15c27bc8b partial update (upgrade to c++11)
[SVN r77805]
2012-04-07 07:54:18 +00:00
92d51dcfa8 c++11 version start
[SVN r77803]
2012-04-07 07:43:05 +00:00
221e07a7a3 + bumped copyright date
+ mpl::int_ optimizations

[SVN r77802]
2012-04-07 07:34:00 +00:00
2038772e90 fixed wrong spelling
[SVN r77472]
2012-03-22 10:45:12 +00:00
b6142f1613 Add newlines at end of file to avoid warnings like this:
boost/include/boost/fusion/tuple/detail/preprocessed/tuple.hpp:21:7: warning: no newline at end of file



[SVN r77424]
2012-03-20 02:12:55 +00:00
df0fbd1d9d typo fix
[SVN r77114]
2012-02-25 01:09:58 +00:00
38cd16639d Fixes Ticket #6372
[SVN r76395]
2012-01-10 02:03:43 +00:00
1c51ad943a Fix for ticket #6338
[SVN r76238]
2011-12-31 05:48:27 +00:00
a25a7092d8 Patches from Tim Blechmann
[SVN r75976]
2011-12-16 00:14:49 +00:00
48e4118768 Fixes for MSVC workarounds from Freundlich: http://codepad.org/wRelwDJt
[SVN r75595]
2011-11-21 14:43:19 +00:00
0a520f6021 fix problem where sizeof(int) != sizeof(long)
[SVN r75563]
2011-11-20 10:59:09 +00:00
bbf10066bc C++11 patches by Michel Morin
[SVN r75394]
2011-11-07 22:07:05 +00:00
c2052a3c0c Fix Ticket #6067
[SVN r75318]
2011-11-04 20:37:33 +00:00
480183059e + Fixes Ticket #6016 using a two-level specialization such that specialization is preferred over SFINAE.
+ Removes tag_of_fallback. It's not needed anymore. The proper way is to specialize tag_of.

[SVN r74934]
2011-10-13 00:23:40 +00:00
fd82b51cec Wrong version. Should be 2.2 + fixed copyright notices and dates
[SVN r74886]
2011-10-10 10:37:53 +00:00
24bca52c5e Wrong version. Should be 2.2.
[SVN r74885]
2011-10-10 10:08:44 +00:00
459a1dba3d Bumped copyright date and version to 2.1 (it's about time!).
[SVN r74883]
2011-10-10 10:05:49 +00:00
10274e7884 Made map random access. Thanks to Brandon Kohn!
[SVN r74882]
2011-10-10 09:55:52 +00:00
b6df98e86c Made map random access. Thanks to Brandon Kohn!
[SVN r74881]
2011-10-10 09:55:41 +00:00
4be9e08af7 Fix for ticket #6000
[SVN r74872]
2011-10-10 00:59:32 +00:00
f46b2aeb73 Fix for ticket #6000
[SVN r74871]
2011-10-10 00:58:24 +00:00
21301c93dc Fix for ticket #6000
[SVN r74870]
2011-10-10 00:47:40 +00:00
b905aa11af Added adapter for std::tuple (only for implementations using variadic templates)
[SVN r74788]
2011-10-08 03:47:16 +00:00
e08976a68d fix for case where Sequence is const
[SVN r74589]
2011-09-27 11:45:24 +00:00
a0db9cc855 Fusion: fix tag_of_fallback
[SVN r74574]
2011-09-26 12:02:10 +00:00
0b875180bf Removed unmaintained changelist.txt. Just use SVN log.
[SVN r74570]
2011-09-26 05:44:44 +00:00
b7fb20e69a Fusion: updates
[SVN r74566]
2011-09-25 17:36:13 +00:00
159426b8af Added adapter for std::tuple (only for implementations using variadic templates)
[SVN r74547]
2011-09-24 13:07:24 +00:00
b2c3737eaf Added adapter for std::tuple (only for implementations using variadic templates)
[SVN r74546]
2011-09-24 13:07:09 +00:00
d1a397c427 Patch to make deriving from fusion::sequence_facade makes the derived class an MPL sequence by Nathan Ridge.
[SVN r74473]
2011-09-20 01:48:47 +00:00
674f60e9b1 const-correctness patch by Nathan Ridge.
[SVN r74472]
2011-09-20 01:41:38 +00:00
2dd633a572 fixed missing includes in main hpp files
[SVN r74463]
2011-09-19 00:12:42 +00:00
9b16a51364 preprocessed files gen for algorithm
[SVN r74449]
2011-09-18 10:48:29 +00:00
5ee02a7546 wave preprocessor driver update
[SVN r74448]
2011-09-18 10:45:06 +00:00
223e14f702 More preprocessed files. This completes the container module.
[SVN r74446]
2011-09-18 10:03:59 +00:00
af90b6660b patch to silence clang warning
[SVN r74441]
2011-09-18 00:28:09 +00:00
b1b90af9be More preprocessed files
[SVN r74431]
2011-09-17 06:55:06 +00:00
3c92230f82 More preprocessed files
[SVN r74429]
2011-09-17 05:52:59 +00:00
0ed54e9ea3 added iterator_adapter 'Category' template parameter which defaults to Iterator_::category
[SVN r74428]
2011-09-17 03:21:13 +00:00
265bdc7342 Added default typedef mpl::false_ is_segmented;
[SVN r74427]
2011-09-17 03:14:12 +00:00
5f4d31abc7 Added preprocessed files to speed compilation
[SVN r74426]
2011-09-17 02:41:58 +00:00
f31150f58a fixed and updated copyright dates
[SVN r74415]
2011-09-16 07:00:41 +00:00
41fe830b8a Added preprocessed files to speed compilation
[SVN r74414]
2011-09-16 06:51:21 +00:00
473ef579b9 Added preprocessed files to speed compilation
[SVN r74412]
2011-09-16 06:44:55 +00:00
7365eb0a36 Added preprocessed files to speed compilation
[SVN r74411]
2011-09-16 06:22:19 +00:00
d5eaf8b496 Bumped copyright date
[SVN r74410]
2011-09-16 05:56:36 +00:00
7847f22a2c Bumped copyright date
[SVN r74409]
2011-09-16 05:55:52 +00:00
b23e05741c Added preprocessed files to speed compilation
[SVN r74408]
2011-09-16 05:47:57 +00:00
0e7a013851 Bumped copyright date
[SVN r74407]
2011-09-16 05:30:23 +00:00
86063cada9 Bumped copyright date
[SVN r74406]
2011-09-16 05:27:16 +00:00
619280939a include vectorN for only what's needed depending on FUSION_MAX_VECTOR_SIZE
[SVN r74405]
2011-09-16 05:12:58 +00:00
601415c6bb Added preprocessed files to speed compilation
[SVN r74404]
2011-09-16 05:07:53 +00:00
2a8b3f9c5b Added preprocessed files to speed compilation
[SVN r74403]
2011-09-16 04:50:19 +00:00
a21a748f24 Added preprocessed files to speed compilation
[SVN r74397]
2011-09-16 03:13:52 +00:00
5ebd31fe32 Added preprocessed files to speed compilation
[SVN r74393]
2011-09-16 01:35:29 +00:00
e7ed008af5 Added preprocessed files to speed compilation
[SVN r74392]
2011-09-16 01:34:26 +00:00
0ba9acbfa4 Replace fusion documentation with redirect.
[SVN r74332]
2011-09-10 07:42:13 +00:00
90b15e1c9b add missing include to try to make msvc9~stlport toolset happy
[SVN r74113]
2011-08-28 22:48:40 +00:00
df6017dc1c fix use of incomplete fusion::nil as caught by clang
[SVN r74019]
2011-08-23 15:13:30 +00:00
def510808d bug fixes to segmented fusion support, more fwd headers
[SVN r73927]
2011-08-19 18:41:11 +00:00
eb903d71a7 enable segmented tests
[SVN r73908]
2011-08-19 02:04:40 +00:00
9fcb3105e5 make fold aware of segments
[SVN r73906]
2011-08-18 23:14:48 +00:00
5ff6210759 make for_each aware of segments
[SVN r73899]
2011-08-18 22:09:59 +00:00
b8bb98a36b simplify segmented_fold_until interface
[SVN r73898]
2011-08-18 21:33:39 +00:00
9dd14c435e make find and find_if algorithms segment-aware, stylistic consistency tweaks
[SVN r73892]
2011-08-18 17:12:05 +00:00
528ad04fdb baking segmented Fusion
[SVN r73854]
2011-08-17 18:53:56 +00:00
2baebc560a continue great segmented Fusion reorg
[SVN r73834]
2011-08-16 23:43:24 +00:00
2ccb8d604f progress with integrating the segmented Fusion work
[SVN r73831]
2011-08-16 23:07:51 +00:00
2212f57287 Fix Ticket #5784
[SVN r73774]
2011-08-15 10:53:13 +00:00
afbda073a3 naming tweaks
[SVN r73771]
2011-08-15 06:53:35 +00:00
9ed1f3d606 use iterator_facade to simplify implementation of segmented_iterator
[SVN r73770]
2011-08-15 06:20:24 +00:00
a339669d05 Better is_equal test
[SVN r73699]
2011-08-12 12:16:23 +00:00
1c8d339bb0 Better is_equal test
[SVN r73698]
2011-08-12 12:07:36 +00:00
adbdf8550c Back on track. The code is fine again.
[SVN r73697]
2011-08-12 11:51:57 +00:00
b3649b9343 Back on track. The code is fine again.
[SVN r73696]
2011-08-12 11:45:11 +00:00
c1dd1fa279 Back on track. The code is fine again.
[SVN r73695]
2011-08-12 11:43:24 +00:00
8b80a11877 revert to prior (again).
[SVN r73692]
2011-08-12 07:24:00 +00:00
faa5746f6d added main empty_impl template forward decl
[SVN r73689]
2011-08-12 05:18:44 +00:00
acc306d783 Added Eric's test cases for pop_back
[SVN r73687]
2011-08-12 05:15:08 +00:00
734b9222d2 revert the implementation to previous version, but changed it such that prior is not used. used advance instead which is ok for forward iterators.
[SVN r73686]
2011-08-12 05:14:06 +00:00
744dbcbbc7 added case for equal_to that returns false immediately if the tags are different in the first place
[SVN r73685]
2011-08-12 05:13:03 +00:00
48a0546eea added static sanity check
[SVN r73684]
2011-08-12 05:11:41 +00:00
f0fa80ca1a const-correctness tweaks
[SVN r73683]
2011-08-11 23:58:03 +00:00
5d07df005b fix find_s and find_if_s to return the end iterator when item not found
[SVN r73669]
2011-08-11 17:49:02 +00:00
b83a2954f5 segmented_fold_until should unpack the state's value before invoking the user's function
[SVN r73668]
2011-08-11 17:28:17 +00:00
3af35683ff QOI + small bug fixes
[SVN r73659]
2011-08-11 15:34:58 +00:00
5497ea367e QOI + small bug fixes
[SVN r73658]
2011-08-11 15:34:39 +00:00
5bca571dd1 - Made pop_back not use prior.-
Refactored pop_back_iterator into a reusable iterator_adaptor

[SVN r73657]
2011-08-11 14:49:55 +00:00
5ebfd961aa Refactored pop_back_iterator into a reusable iterator_adaptor
[SVN r73656]
2011-08-11 14:46:22 +00:00
1865ded339 Refactored pop_back_iterator into a reusable iterator_adaptor
[SVN r73655]
2011-08-11 14:45:10 +00:00
e8b0f98a55 Refactored pop_back_iterator into a reusable iterator_adaptor
[SVN r73654]
2011-08-11 14:43:59 +00:00
760c1a534c minor tweaks
[SVN r73645]
2011-08-11 08:52:10 +00:00
d9c5b32687 new cleaner(?) implementation for segmented fusion
[SVN r73644]
2011-08-11 04:14:50 +00:00
00b2cfc52e Made pop_back not use prior.
[SVN r73643]
2011-08-10 22:03:09 +00:00
21c17fda63 Added pop_back test for lists
[SVN r73642]
2011-08-10 22:01:37 +00:00
491b6fb7d8 remove bogus compile-time asserts
[SVN r73583]
2011-08-07 00:06:32 +00:00
adc8be256f fixed wording to make it clear that I/O operators are only available for sequences in fusion's namespace
[SVN r73247]
2011-07-19 23:29:06 +00:00
f27ed26e44 make single_view random access
[SVN r72977]
2011-07-08 19:42:35 +00:00
0a54764a6a Added docs for copy
[SVN r72930]
2011-07-06 18:29:02 +00:00
f4f93005ad Added docs for copy
[SVN r72929]
2011-07-06 18:16:56 +00:00
92c2362cef Fix Ticket #4755
[SVN r72601]
2011-06-14 22:57:24 +00:00
01424b06b3 added version of fold (overload) accepting non-const State.
[SVN r71179]
2011-04-10 23:45:34 +00:00
ed4206ee1b Fixes Ticket #5426
[SVN r71026]
2011-04-06 04:55:57 +00:00
b17d6b9147 Fixes Ticket #5420
[SVN r71025]
2011-04-06 04:29:02 +00:00
b54e4b1b06 MPL bug workaround. Fixes Trac ticket: #5411
[SVN r70965]
2011-04-03 23:20:13 +00:00
b3226a5107 Applied patch #5275
[SVN r70841]
2011-04-01 23:38:39 +00:00
756af8cc4c Include <utility> instead of forward declaring std::pair
[SVN r70731]
2011-03-30 00:23:23 +00:00
407657d56c Updateded: fixed 'requirement' errors
[SVN r70297]
2011-03-21 04:08:44 +00:00
690735de20 added test for copy
[SVN r70009]
2011-03-16 00:02:38 +00:00
80e3f4128b Added missing include
[SVN r70008]
2011-03-15 23:57:13 +00:00
7215d8835f fixed assign bug
[SVN r69589]
2011-03-05 23:37:25 +00:00
21588d6dac fixed wrong return type
[SVN r69583]
2011-03-05 14:48:47 +00:00
1efa444f24 renamed assign to copy and moved it to a new algorithm/auxiliary category
[SVN r69137]
2011-02-22 01:30:12 +00:00
dc2303d38b assign should be void
[SVN r69118]
2011-02-21 10:15:24 +00:00
7bfe445d72 new assign intrinsic
[SVN r69113]
2011-02-21 01:08:53 +00:00
1179 changed files with 70897 additions and 48273 deletions

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@ -1,20 +0,0 @@
Interface Changes
- June 12, 2009: vector0 is now vector0<> as per Boost Trac Ticket #1608
to follow MPL more closely.
- September 24, 2009: added nview and friends
- October 12, 2009: the accumulator is the first argument to the functor of
fold and accumulate. Fixes Boost Trac Ticket #2355.
- October 30, 2009: Added support for associative iterators & views.
Renamed associative_sequence_tag to associative_tag. Fixes Boost Trac
Ticket #3473.
- April 4, 2010: Added array support, BOOST_FUSION_ADAPT_TPL_STRUCT,
BOOST_FUSION_ADAPT_ASSOC_TPL_STRUCT, BOOST_FUSION_ADAPT_ASSOC_STRUCT_NAMED and
BOOST_FUSION_ADAPT_ASSOC_STRUCT_NAMED_NS
- April 5, 2010: Added BOOST_FUSION_DEFINE_STRUCT,
BOOST_FUSION_DEFINE_TPL_STRUCT, BOOST_FUSION_DEFINE_ASSOC_STRUCT and
BOOST_FUSION_DEFINE_ASSOC_TPL_STRUCT
- June 18, 2010: Added reverse_fold, iter_fold and reverse_iter_fold. Fixes
Boost Trac Ticket #1623.
- October 7, 2010: Added BOOST_FUSION_ADAPT_ADT, BOOST_FUSION_ADAPT_ASSOC_ADT,
BOOST_FUSION_ADAPT_TPL_ADT and BOOST_FUSION_ADAPT_ASSOC_TPL_ADT

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@ -1,5 +1,5 @@
#==============================================================================
# Copyright (c) 2003-2007 Joel de Guzman
# Copyright (c) 2003-2011 Joel de Guzman
#
# Use, modification and distribution is subject to the Boost Software
# License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at

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@ -1,5 +1,6 @@
[/==============================================================================
Copyright (C) 2001-2007 Joel de Guzman, Dan Marsden, Tobias Schwinger
Copyright (C) 2001-2011 Joel de Guzman
Copyright (C) 2006 Dan Marsden
Use, modification and distribution is subject to the Boost Software
License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at

View File

@ -1,5 +1,6 @@
[/==============================================================================
Copyright (C) 2001-2007 Joel de Guzman, Dan Marsden, Tobias Schwinger
Copyright (C) 2001-2011 Joel de Guzman
Copyright (C) 2006 Dan Marsden
Copyright (C) 2010 Christopher Schmidt
Use, modification and distribution is subject to the Boost Software
@ -243,7 +244,7 @@ __random_access_sequence__.
[heading Semantics]
The above macro generates the necessary code to adapt `struct_name` or an
The above macro generates the necessary code to adapt `struct_name` or an
arbitrary specialization of `struct_name` as a model of
__random_access_sequence__.
The sequence `(template_param0)(template_param1)...` declares the names of
@ -286,9 +287,9 @@ namespace qualified name of the struct to be adapted.
[section:adapt_struct_named BOOST_FUSION_ADAPT_STRUCT_NAMED]
[heading Description]
BOOST_FUSION_ADAPT_STRUCT_NAMED and BOOST_FUSION_ADAPT_STRUCT_NAMED_NS are
macros that can be used to generate all the necessary boilerplate to make an
arbitrary struct a model of __random_access_sequence__. The given struct is
BOOST_FUSION_ADAPT_STRUCT_NAMED and BOOST_FUSION_ADAPT_STRUCT_NAMED_NS are
macros that can be used to generate all the necessary boilerplate to make an
arbitrary struct a model of __random_access_sequence__. The given struct is
adapted using the given name.
[heading Synopsis]
@ -311,7 +312,7 @@ adapted using the given name.
[heading Semantics]
The above macros generate the necessary code to adapt `struct_name`
as a model of __random_access_sequence__ while using `adapted_name` as the
as a model of __random_access_sequence__ while using `adapted_name` as the
name of the adapted struct.
The sequence `(namespace0)(namespace1)...` declares the namespace
for `adapted_name`. It yields to a fully qualified name for `adapted_name` of
@ -426,7 +427,7 @@ __random_access_sequence__ and __associative_sequence__.
[heading Semantics]
The above macro generates the necessary code to adapt `struct_name` or an
The above macro generates the necessary code to adapt `struct_name` or an
arbitrary specialization of `struct_name` as a model of
__random_access_sequence__ and __associative_sequence__.
The sequence `(template_param0)(template_param1)...` declares the names of
@ -462,7 +463,7 @@ namespace qualified name of the struct to be adapted.
struct name;
struct age;
}
// Any instantiated demo::employee is now a Fusion sequence.
// It is also an associative sequence with
// keys keys::name and keys::age present.
@ -477,8 +478,8 @@ namespace qualified name of the struct to be adapted.
[section:adapt_assoc_struct_named BOOST_FUSION_ADAPT_ASSOC_STRUCT_NAMED]
[heading Description]
BOOST_FUSION_ADAPT_ASSOC_STRUCT_NAMED and BOOST_FUSION_ADAPT_ASSOC_STRUCT_NAMED_NS are
macros that can be used to generate all the necessary boilerplate to make an
BOOST_FUSION_ADAPT_ASSOC_STRUCT_NAMED and BOOST_FUSION_ADAPT_ASSOC_STRUCT_NAMED_NS are
macros that can be used to generate all the necessary boilerplate to make an
arbitrary struct a model of __random_access_sequence__ and
__associative_sequence__. The given struct is adapted using the given name.
@ -538,7 +539,7 @@ namespace qualified name of the struct to be converted.
struct name;
struct age;
}
// boost::fusion::adapted::adapted_employee is now a Fusion sequence
// referring to demo::employee
BOOST_FUSION_ADAPT_ASSOC_STRUCT_NAMED(
@ -566,7 +567,7 @@ __random_access_sequence__.
[heading Expression Semantics]
The above macro generates the necessary code to adapt `type_name`
as a model of __random_access_sequence__.
as a model of __random_access_sequence__.
The sequence of
[^(attribute_type['N], attribute_const_type['N], get_expr['N], set_expr['N])]
quadruples declares the types, const types, get-expressions and set-expressions
@ -599,7 +600,7 @@ namespace qualified name of the class type to be adapted.
#include <boost/fusion/adapted/adt/adapt_adt.hpp>
#include <boost/fusion/include/adapt_adt.hpp>
[heading Example]
namespace demo
{
@ -608,41 +609,41 @@ namespace qualified name of the class type to be adapted.
private:
std::string name;
int age;
public:
void set_name(std::string const& n)
{
name=n;
}
void set_age(int a)
{
age=a;
}
std::string const& get_name()const
{
return name;
}
int get_age()const
{
return age;
}
};
}
BOOST_FUSION_ADAPT_ADT(
demo::employee,
(std::string const&, std::string const&, obj.get_name(), obj.set_name(val))
(int, int, obj.get_age(), obj.set_age(val)))
demo::employee e;
front(e)="Edward Norton";
back(e)=41;
//Prints 'Edward Norton is 41 years old'
std::cout << e.get_name() << " is " << e.get_age() << " years old" << std::endl;
[heading See also]
__adt_attribute_proxy__
@ -657,7 +658,7 @@ __random_access_sequence__.
[heading Synopsis]
BOOST_FUSION_ADAPT_ADT(
BOOST_FUSION_ADAPT_TPL_ADT(
(template_param0)(template_param1)...,
(type_name) (specialization_param0)(specialization_param1)...,
(attribute_type0, attribute_const_type0, get_expr0, set_expr0)
@ -669,7 +670,7 @@ __random_access_sequence__.
The above macro generates the necessary code to adapt `type_name`
or an arbitrary specialization of `type_name`
as a model of __random_access_sequence__.
as a model of __random_access_sequence__.
The sequence `(template_param0)(template_param1)...` declares the names of
the template type parameters used.
The sequence `(specialization_param0)(specialization_param1)...`
@ -707,40 +708,40 @@ namespace qualified name of the template class type to be adapted.
#include <boost/fusion/adapted/adt/adapt_adt.hpp>
#include <boost/fusion/include/adapt_adt.hpp>
[heading Example]
namespace demo
{
{
template<typename Name, typename Age>
struct employee
{
private:
Name name;
Age age;
public:
void set_name(Name const& n)
{
name=n;
}
void set_age(Age const& a)
{
age=a;
}
Name const& get_name()const
{
return name;
}
Age const& get_age()const
{
return age;
}
};
}
BOOST_FUSION_ADAPT_TPL_ADT(
(Name)(Age),
(demo::employee) (Name)(Age),
@ -752,7 +753,7 @@ namespace qualified name of the template class type to be adapted.
boost::fusion::back(e)=41;
//Prints 'Edward Norton is 41 years old'
std::cout << e.get_name() << " is " << e.get_age() << " years old" << std::endl;
[heading See also]
__adt_attribute_proxy__
@ -777,7 +778,7 @@ __random_access_sequence__ and __associative_sequence__.
[heading Expression Semantics]
The above macro generates the necessary code to adapt `type_name`
as a model of __random_access_sequence__ and __associative_sequence__.
as a model of __random_access_sequence__ and __associative_sequence__.
The sequence of
[^(attribute_type['N], attribute_const_type['N], get_expr['N], set_expr['N], key_type['N])]
5-tuples declares the types, const types, get-expressions, set-expressions and key types
@ -799,7 +800,7 @@ The actual return type of fusion's intrinsic sequence access (meta-)functions
when in invoked with (an instance of) `type_name` is a proxy type.
This type is implicitly convertible to the attribute type via [^get_expr['N]] and
forwards assignment to the underlying element via [^set_expr['N]].
The value type (that is the type returned by __result_of_value_of__, __result_of_value_of_data__,
The value type (that is the type returned by __result_of_value_of__, __result_of_value_of_data__,
__result_of_value_at__, __result_of_value_at_c__ and __result_of_value_at_key__) of the ['N]th element
is [^attribute_type['N]] with const-qualifier and reference removed.
@ -810,7 +811,7 @@ namespace qualified name of the class type to be adapted.
#include <boost/fusion/adapted/adt/adapt_assoc_adt.hpp>
#include <boost/fusion/include/adapt_assoc_adt.hpp>
[heading Example]
namespace demo
{
@ -819,47 +820,47 @@ namespace qualified name of the class type to be adapted.
private:
std::string name;
int age;
public:
void set_name(std::string const& n)
{
name=n;
}
void set_age(int a)
{
age=a;
}
std::string const& get_name()const
{
return name;
}
int get_age()const
{
return age;
}
};
}
namespace keys
{
struct name;
struct age;
}
BOOST_FUSION_ADAPT_ASSOC_ADT(
demo::employee,
(std::string const&, std::string const&, obj.get_name(), obj.set_name(val), keys::name)
(int, int, obj.get_age(), obj.set_age(val), keys::age))
demo::employee e;
at_key<keys::name>(e)="Edward Norton";
at_key<keys::age>(e)=41;
//Prints 'Edward Norton is 41 years old'
std::cout << e.get_name() << " is " << e.get_age() << " years old" << std::endl;
[heading See also]
__adt_attribute_proxy__
@ -886,7 +887,7 @@ __random_access_sequence__ and __associative_sequence__.
The above macro generates the necessary code to adapt `type_name`
or an arbitrary specialization of `type_name`
as a model of __random_access_sequence__ and __associative_sequence__.
as a model of __random_access_sequence__ and __associative_sequence__.
The sequence `(template_param0)(template_param1)...` declares the names of
the template type parameters used.
The sequence `(specialization_param0)(specialization_param1)...`
@ -913,7 +914,7 @@ The actual return type of fusion's intrinsic sequence access (meta-)functions
when in invoked with (an instance of) `type_name` is a proxy type.
This type is implicitly convertible to the attribute type via [^get_expr['N]] and
forwards assignment to the underlying element via [^set_expr['N]].
The value type (that is the type returned by __result_of_value_of__, __result_of_value_of_data__,
The value type (that is the type returned by __result_of_value_of__, __result_of_value_of_data__,
__result_of_value_at__, __result_of_value_at_c__ and __result_of_value_at_key__) of the ['N]th element
is [^attribute_type['N]] with const-qualifier and reference removed.
@ -924,7 +925,7 @@ namespace qualified name of the template class type to be adapted.
#include <boost/fusion/adapted/adt/adapt_assoc_adt.hpp>
#include <boost/fusion/include/adapt_assoc_adt.hpp>
[heading Example]
namespace demo
{
@ -934,48 +935,48 @@ namespace qualified name of the template class type to be adapted.
private:
Name name;
Age age;
public:
void set_name(Name const& n)
{
name=n;
}
void set_age(Age const& a)
{
age=a;
}
Name const& get_name()const
{
return name;
}
Age const& get_age()const
{
return age;
}
};
}
namespace keys
{
struct name;
struct age;
}
BOOST_FUSION_ADAPT_ASSOC_TPL_ADT(
(Name)(Age),
(demo::employee) (Name)(Age),
(Name const&, Name const&, obj.get_name(), obj.set_name(val), keys::name)
(Age const&, Age const&, obj.get_age(), obj.set_age(val), keys::age))
demo::employee<std::string, int> e;
at_key<keys::name>(e)="Edward Norton";
at_key<keys::age>(e)=41;
//Prints 'Edward Norton is 41 years old'
std::cout << e.get_name() << " is " << e.get_age() << " years old" << std::endl;
[heading See also]
__adt_attribute_proxy__
@ -1027,14 +1028,14 @@ defined in __random_access_sequence__.
[[`struct_name(e0, e1,... en)`] [Creates an instance of `struct_name` with elements `e0`...`en`.]]
[[`struct_name(fs)`] [Copy constructs an instance of `struct_name` from a __forward_sequence__ `fs`.]]
[[`str = fs`] [Assigns from a __forward_sequence__ `fs`.]]
[[`str.member_nameN`] [Access of struct member `member_nameN`]]
[[`str.member_nameN`] [Access of struct member `member_nameN`]]
]
[heading Header]
#include <boost/fusion/adapted/struct/define_struct.hpp>
#include <boost/fusion/include/define_struct.hpp>
[heading Example]
// demo::employee is a Fusion sequence
@ -1096,14 +1097,14 @@ defined in __random_access_sequence__.
[[`Str(e0, e1,... en)`] [Creates an instance of `Str` with elements `e0`...`en`.]]
[[`Str(fs)`] [Copy constructs an instance of `Str` from a __forward_sequence__ `fs`.]]
[[`str = fs`] [Assigns from a __forward_sequence__ `fs`.]]
[[`str.member_nameN`] [Access of struct member `member_nameN`]]
[[`str.member_nameN`] [Access of struct member `member_nameN`]]
]
[heading Header]
#include <boost/fusion/adapted/struct/define_struct.hpp>
#include <boost/fusion/include/define_struct.hpp>
[heading Example]
// Any instantiated demo::employee is a Fusion sequence
@ -1114,6 +1115,100 @@ defined in __random_access_sequence__.
[endsect]
[section:define_struct_inline BOOST_FUSION_DEFINE_STRUCT_INLINE]
[heading Description]
BOOST_FUSION_DEFINE_STRUCT_INLINE is a macro that can be used to generate all
the necessary boilerplate to define and adapt an arbitrary struct as a model of
__random_access_sequence__. Unlike BOOST_FUSION_DEFINE_STRUCT, it can be used
at class or namespace scope.
[heading Synopsis]
BOOST_FUSION_DEFINE_STRUCT_INLINE(
struct_name,
(member_type0, member_name0)
(member_type1, member_name1)
...
)
[heading Expression Semantics]
The semantics of BOOST_FUSION_DEFINE_STRUCT_INLINE are identical to those of
BOOST_FUSION_DEFINE_STRUCT, with two differences:
# BOOST_FUSION_DEFINE_STRUCT_INLINE can be used at class or namespace scope, and
thus does not take a namespace list parameter.
# The structure generated by BOOST_FUSION_DEFINE_STRUCT_INLINE has a base class,
and is thus not POD in C++03.
[heading Header]
#include <boost/fusion/adapted/struct/define_struct_inline.hpp>
#include <boost/fusion/include/define_struct_inline.hpp>
[heading Example]
// enclosing::employee is a Fusion sequence
class enclosing
{
BOOST_FUSION_DEFINE_STRUCT_INLINE(
employee,
(std::string, name)
(int, age))
};
[endsect]
[section:define_tpl_struct_inline BOOST_FUSION_DEFINE_TPL_STRUCT_INLINE]
[heading Description]
BOOST_FUSION_DEFINE_TPL_STRUCT_INLINE is a macro that can be used to generate
all the necessary boilerplate to define and adapt an arbitrary template struct
as a model of __random_access_sequence__. Unlike BOOST_FUSION_DEFINE_TPL_STRUCT,
it can be used at class or namespace scope.
[heading Synopsis]
BOOST_FUSION_DEFINE_TPL_STRUCT_INLINE(
(template_param0)(template_param1)...,
struct_name,
(member_type0, member_name0)
(member_type1, member_name1)
...
)
[heading Expression Semantics]
The semantics of BOOST_FUSION_DEFINE_TPL_STRUCT_INLINE are identical to those of
BOOST_FUSION_DEFINE_TPL_STRUCT, with two differences:
# BOOST_FUSION_DEFINE_TPL_STRUCT_INLINE can be used at class or namespace scope,
and thus does not take a namespace list parameter.
# The structure generated by BOOST_FUSION_DEFINE_TPL_STRUCT_INLINE has a base
class, and is thus not POD in C++03.
[heading Header]
#include <boost/fusion/adapted/struct/define_struct_inline.hpp>
#include <boost/fusion/include/define_struct_inline.hpp>
[heading Example]
// Any instantiated enclosing::employee is a Fusion sequence
class enclosing
{
BOOST_FUSION_DEFINE_TPL_STRUCT(
(Name)(Age), employee,
(Name, name)
(Age, age))
};
[endsect]
[section:define_assoc_struct BOOST_FUSION_DEFINE_ASSOC_STRUCT]
[heading Description]
@ -1161,14 +1256,14 @@ defined in __random_access_sequence__ and __associative_sequence__.
[[`struct_name(e0, e1,... en)`] [Creates an instance of `struct_name` with elements `e0`...`en`.]]
[[`struct_name(fs)`] [Copy constructs an instance of `struct_name` from a __forward_sequence__ `fs`.]]
[[`str = fs`] [Assigns from a __forward_sequence__ `fs`.]]
[[`str.member_nameN`] [Access of struct member `member_nameN`]]
[[`str.member_nameN`] [Access of struct member `member_nameN`]]
]
[heading Header]
#include <boost/fusion/adapted/struct/define_assoc_struct.hpp>
#include <boost/fusion/include/define_assoc_struct.hpp>
[heading Example]
namespace keys
@ -1176,7 +1271,7 @@ defined in __random_access_sequence__ and __associative_sequence__.
struct name;
struct age;
}
// demo::employee is a Fusion sequence
BOOST_FUSION_DEFINE_ASSOC_STRUCT(
(demo), employee,
@ -1237,14 +1332,14 @@ defined in __random_access_sequence__ and __associative_sequence__.
[[`Str(e0, e1,... en)`] [Creates an instance of `Str` with elements `e0`...`en`.]]
[[`Str(fs)`] [Copy constructs an instance of `Str` from a __forward_sequence__ `fs`.]]
[[`str = fs`] [Assigns from a __forward_sequence__ `fs`.]]
[[`str.member_nameN`] [Access of struct member `member_nameN`]]
[[`str.member_nameN`] [Access of struct member `member_nameN`]]
]
[heading Header]
#include <boost/fusion/adapted/struct/define_assoc_struct.hpp>
#include <boost/fusion/include/define_assoc_struct.hpp>
[heading Example]
namespace keys
@ -1252,7 +1347,7 @@ defined in __random_access_sequence__ and __associative_sequence__.
struct name;
struct age;
}
// Any instantiated demo::employee is a Fusion sequence
BOOST_FUSION_DEFINE_ASSOC_TPL_STRUCT(
(Name)(Age), (demo), employee,

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@ -1,5 +1,6 @@
[/==============================================================================
Copyright (C) 2001-2007 Joel de Guzman, Dan Marsden, Tobias Schwinger
Copyright (C) 2001-2011 Joel de Guzman
Copyright (C) 2006 Dan Marsden
Copyright (C) 2010 Christopher Schmidt
Use, modification and distribution is subject to the Boost Software
@ -10,18 +11,20 @@
[heading Lazy Evaluation]
Unlike __mpl__, Fusion algorithms are lazy and non sequence-type
preserving. What does that mean? It means that when you operate on a
sequence through a Fusion algorithm that returns a sequence, the sequence
returned may not be of the same class as the original. This is by design.
Runtime efficiency is given a high priority. Like __mpl__, and unlike
__stl__, fusion algorithms are functional in nature such that algorithms
Unlike __mpl__, Fusion algorithms are lazy[footnote Except for some
special cases such as __for_each__ and __copy__ which are inherently
imperative algorithms.] and non sequence-type preserving [footnote What
does that mean? It means that when you operate on a sequence through a
Fusion algorithm that returns a sequence, the sequence returned may not
be of the same class as the original]. This is by design. Runtime
efficiency is given a high priority. Like __mpl__, and unlike __stl__,
fusion algorithms are mostly functional in nature such that algorithms
are non mutating (no side effects). However, due to the high cost of
returning full sequences such as vectors and lists, /Views/ are returned
from Fusion algorithms instead. For example, the __transform__ algorithm
does not actually return a transformed version of the original sequence.
__transform__ returns a __transform_view__. This view holds a reference to
the original sequence plus the transform function. Iteration over the
__transform__ returns a __transform_view__. This view holds a reference
to the original sequence plus the transform function. Iteration over the
__transform_view__ will apply the transform function over the sequence
elements on demand. This /lazy/ evaluation scheme allows us to chain as
many algorithms as we want without incurring a high runtime penalty.
@ -37,6 +40,7 @@ the original sequence `s` and the value `x`. Functions that were once
sequence specific and need to be implemented N times over N different
sequences are now implemented only once. That is to say that Fusion
sequences are cheaply extensible.
To regain the original sequence, __conversion__ functions are provided. You
may use one of the __conversion__ functions to convert back to the original
sequence type.
@ -46,6 +50,61 @@ sequence type.
#include <boost/fusion/algorithm.hpp>
#include <boost/fusion/include/algorithm.hpp>
[section Auxiliary]
The auxiliary algorithms provide the utility algorithms for sequences.
[heading Header]
#include <boost/fusion/algorithm/auxiliary.hpp>
#include <boost/fusion/include/auxiliary.hpp>
[section Functions]
[section copy]
[heading Description]
Copy a sequence `src` to a sequence `dest`.
It is also used to convert sequence into other.
[heading Synopsis]
template <typename Seq1, typename Seq2>
void copy(Seq1 const& src, Seq2& dest);
[table Parameters
[[Parameter][Requirement][Description]]
[[`src`][A model of __forward_sequence__, all elements contained in the `src` sequence should be convertible into the element contained in the `dest` sequence.][Operation's argument]]
[[`dest`][A model of __forward_sequence__, `e2 = e1` is valid expression for each pair of elements `e1` of `src` and `e2` of `dest`.][Operation's argument]]
]
[heading Expression Semantics]
__copy__(src, dest);
[*Return type]: `void`
[*Semantics]: `e2 = e1` for each element `e1` in `src` and `e2` in `dest`.
[heading Complexity]
Linear, exactly `__result_of_size__<Sequence>::value`.
[heading Header]
#include <boost/fusion/algorithm/auxiliary/copy.hpp>
#include <boost/fusion/include/copy.hpp>
[heading Example]
__vector__<int,int> vec(1,2);
__list__<int,int> ls;
__copy__(vec, ls);
assert(ls == __make_list__(1,2));
[endsect]
[endsect]
[endsect]
[section Iteration]
The iteration algorithms provide the fundamental algorithms for traversing
@ -75,7 +134,7 @@ the first call) and [arg_desc] of `seq`.
>
typename result_of_name_macro<Sequence, State const, F>::type name_macro(
Sequence& seq, State const& initial_state, F f);
template<
typename Sequence,
typename State,

View File

@ -1,5 +1,7 @@
[/==============================================================================
Copyright (C) 2001-2007 Joel de Guzman, Dan Marsden, Tobias Schwinger
Copyright (C) 2001-2011 Joel de Guzman
Copyright (C) 2006 Dan Marsden
Copyright (C) 2006 Tobias Schwinger
Copyright (C) 2010 Christopher Schmidt
Use, modification and distribution is subject to the Boost Software
@ -37,6 +39,14 @@ This section summarizes significant changes to the Fusion library.
(Christopher Schmidt)
* October 7, 2010: Added __adapt_adt__, __adapt_tpl_adt__,
__adapt_assoc_adt__ and __adapt_assoc_tpl_adt__ (Joel de Guzman,
Hartmut Kaiser and Christopher Schmidt)
Hartmut Kaiser and Christopher Schmidt)
* August 29, 2011: Added support for segmented sequences and iterators (Eric Niebler)
* September 16, 2011: Added preprocessed files (using wave) to speed up
compilation (Joel de Guzman)
* October 8, 2011: Added adaptor for std::tuple (Joel de Guzman)
* October 10, 2011: Made map random access (Brandon Kohn)
* April 7, 2012: Added C++11 version of deque
* May 19, 2012: Added BOOST_FUSION_DEFINE_STRUCT_INLINE by Nathan Ridge
* September 1, 2012: Added move support for deque and vector
[endsect]

View File

@ -1,5 +1,6 @@
[/==============================================================================
Copyright (C) 2001-2007 Joel de Guzman, Dan Marsden, Tobias Schwinger
Copyright (C) 2001-2011 Joel de Guzman
Copyright (C) 2006 Dan Marsden
Use, modification and distribution is subject to the Boost Software
License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
@ -20,10 +21,11 @@ __views__. These containers are more or less counterparts of those in __stl__.
[heading Description]
`vector` is a __random_access_sequence__ of heterogenous typed
data structured as a simple `struct` where each element is held
as a member variable. `vector` is the simplest of the Fusion
sequence container, and in many cases the most efficient.
`vector` is a __random_access_sequence__ of heterogenous typed data
structured as a simple `struct` where each element is held as a member
variable. `vector` is the simplest of the Fusion sequence container (a
vector with N elements is just a struct with N members), and in many
cases the most efficient.
[heading Header]
@ -94,7 +96,7 @@ including any Fusion header to change the default. Example:
[table
[[Parameter] [Description] [Default]]
[[`T0`...`TN`] [Element types] [['unspecified]]]
[[`T0`...`TN`] [Element types] [__unspecified__]]
]
[heading Model of]
@ -155,7 +157,7 @@ time). The runtime cost of access to each element is peculiarly constant
[table
[[Parameter] [Description] [Default]]
[[`Car`] [Head type] []]
[[`Car`] [Head type] [ ]]
[[`Cdr`] [Tail type] [`nil`]]
]
@ -245,7 +247,7 @@ including any Fusion header to change the default. Example:
[table
[[Parameter] [Description] [Default]]
[[`T0`...`TN`] [Element types] [['unspecified-type]]]
[[`T0`...`TN`] [Element types] [__unspecified__]]
]
[heading Model of]
@ -288,6 +290,220 @@ constant (see __recursive_inline__).]
[endsect]
[section deque]
[heading Description]
`deque` is a simple __bidirectional_sequence__ that supports
constant-time insertion and removal of elements at both ends. Like the
__list__ and __cons__, `deque` is more efficient than __vector__
(especially at compile time) when the target sequence is constructed
piecemeal (a data at a time, e.g. when constructing expression
templates). Like the __list__ and __cons__, runtime cost of access to
each element is peculiarly constant (see __recursive_inline__).
Element insertion and removal are done by special `deque` helper classes
__front_extended_deque__ and __back_extended_deque__.
[heading Header]
#include <boost/fusion/container/deque.hpp>
#include <boost/fusion/include/deque.hpp>
#include <boost/fusion/container/list/deque_fwd.hpp>
#include <boost/fusion/include/deque_fwd.hpp>
[heading Synopsis]
template <typename ...Elements>
struct deque;
For C++11 compilers, the variadic class interface has no upper bound.
For C++03 compilers, the variadic class interface accepts `0` to
`FUSION_MAX_DEQUE_SIZE` elements, where `FUSION_MAX_DEQUE_SIZE` is a
user definable predefined maximum that defaults to `10`. Example:
deque<int, char, double>
You may define the preprocessor constant `FUSION_MAX_DEQUE_SIZE` before
including any Fusion header to change the default. Example:
#define FUSION_MAX_DEQUE_SIZE 20
[heading Template parameters]
[table
[[Parameter] [Description] [Default]]
[[`Elements`] [Element types] [ ]]
]
[heading Model of]
* __bidirectional_sequence__
[variablelist Notation
[[`D`] [A `deque` type]]
[[`d`, `d2`] [Instances of `deque`]]
[[`e0`...`en`] [Heterogeneous values]]
[[`s`] [A __forward_sequence__]]
[[`N`] [An __mpl_integral_constant__]]
]
[heading Expression Semantics]
Semantics of an expression is defined only where it differs from, or is not
defined in __bidirectional_sequence__.
[table
[[Expression] [Semantics]]
[[`D()`] [Creates a deque with default constructed elements.]]
[[`D(e0, e1,... en)`] [Creates a deque with elements `e0`...`en`.]]
[[`D(s)`] [Copy constructs a deque from a __forward_sequence__, `s`.]]
[[`d = s`] [Assigns to a deque, `d`, from a __forward_sequence__, `s`.]]
[[`__at__<N>(d)`] [The Nth element from the beginning of the sequence; see __at__.]]
]
[blurb __note__ `__at__<N>(d)` is provided for convenience, despite
`deque` being a __bidirectional_sequence__ only (`at` is supposed to be
a __random_access_sequence__ requirement). The runtime complexity of
__at__ is constant (see __recursive_inline__). `deque` element access
utilizes operator overloading with argument dependent lookup (ADL) of
the proper element getter function given a static constant index
parameter. Interestingly, with modern C++ compilers, this lookup is very
fast and rivals recursive template instantiations in compile time-speed,
so much so that `deque` relies on ADL for all element access (indexing)
as well as iteration.]
[heading Example]
deque<int, float> d(12, 5.5f);
std::cout << __at_c__<0>(d) << std::endl;
std::cout << __at_c__<1>(d) << std::endl;
[endsect]
[section front_extended_deque]
[heading Description]
`front_extended_deque` allows a __deque__ to be front extended. It shares
the same properties as the __deque__.
[heading Header]
See __deque__
[heading Synopsis]
template <typename Deque, typename T>
struct front_extended_deque;
[heading Template parameters]
[table
[[Parameter] [Description] [Default]]
[[`Deque`] [Deque type] [ ]]
[[`T`] [Element type] [ ]]
]
[blurb __note__ `Deque` can be a __deque__, a __front_extended_deque__ or a
__back_extended_deque__]
[heading Model of]
* __bidirectional_sequence__
[variablelist Notation
[[`D`] [A `front_extended_deque` type]]
[[`e`] [Heterogeneous value]]
[[`N`] [An __mpl_integral_constant__]]
]
[heading Expression Semantics]
Semantics of an expression is defined only where it differs from, or is
not defined in __bidirectional_sequence__.
[table
[[Expression] [Semantics]]
[[`D(d, e)`] [Extend `d` prepending `e` to its front.]]
[[`__at__<N>(d)`] [The Nth element from the beginning of the sequence; see __at__.]]
]
[blurb __note__ See __deque__ for further details.]
[heading Example]
typedef deque<int, float> initial_deque;
initial_deque d(12, 5.5f);
front_extended_deque<initial_deque, int> d2(d, 999);
std::cout << __at_c__<0>(d2) << std::endl;
std::cout << __at_c__<1>(d2) << std::endl;
std::cout << __at_c__<2>(d2) << std::endl;
[endsect]
[section back_extended_deque]
[heading Description]
`back_extended_deque` allows a __deque__ to be back extended. It shares
the same properties as the __deque__.
[heading Header]
See __deque__
[heading Synopsis]
template <typename Deque, typename T>
struct back_extended_deque;
[heading Template parameters]
[table
[[Parameter] [Description] [Default]]
[[`Deque`] [Deque type] [ ]]
[[`T`] [Element type] [ ]]
]
[blurb __note__ `Deque` can be a __deque__, a __back_extended_deque__ or a
__back_extended_deque__]
[heading Model of]
* __bidirectional_sequence__
[variablelist Notation
[[`D`] [A `back_extended_deque` type]]
[[`e`] [Heterogeneous value]]
[[`N`] [An __mpl_integral_constant__]]
]
[heading Expression Semantics]
Semantics of an expression is defined only where it differs from, or is
not defined in __bidirectional_sequence__.
[table
[[Expression] [Semantics]]
[[`D(d, e)`] [Extend `d` prepending `e` to its back.]]
[[`__at__<N>(d)`] [The Nth element from the beginning of the sequence; see __at__.]]
]
[blurb __note__ See __deque__ for further details.]
[heading Example]
typedef deque<int, float> initial_deque;
initial_deque d(12, 5.5f);
back_extended_deque<initial_deque, int> d2(d, 999);
std::cout << __at_c__<0>(d2) << std::endl;
std::cout << __at_c__<1>(d2) << std::endl;
std::cout << __at_c__<2>(d2) << std::endl;
[endsect]
[section set]
[heading Description]
@ -331,7 +547,7 @@ including any Fusion header to change the default. Example:
[table
[[Parameter] [Description] [Default]]
[[`T0`...`TN`] [Element types] [['unspecified-type]]]
[[`T0`...`TN`] [Element types] [__unspecified__]]
]
[heading Model of]
@ -413,13 +629,13 @@ including any Fusion header to change the default. Example:
[table
[[Parameter] [Description] [Default]]
[[`T0`...`TN`] [Element types] [['unspecified-type]]]
[[`T0`...`TN`] [Element types] [__unspecified__]]
]
[heading Model of]
* __associative_sequence__
* __forward_sequence__
* __random_access_sequence__
[variablelist Notation
[[`M`] [A `map` type]]
@ -431,7 +647,7 @@ including any Fusion header to change the default. Example:
[heading Expression Semantics]
Semantics of an expression is defined only where it differs from, or is not
defined in __random_access_sequence__ and __associative_sequence__.
defined in __forward_sequence__ and __associative_sequence__.
[table
[[Expression] [Semantics]]
@ -616,6 +832,58 @@ __note_boost_ref__
[endsect]
[section make_deque]
[heading Description]
Create a __deque__ from one or more values.
[heading Synopsis]
template <typename ...Elements>
typename __result_of_make_deque__<Elements...>::type
make_deque(Elements const&... elements);
For C++11 compilers, the variadic function interface has no upper bound.
For C++11 compilers, the variadic function accepts `0` to
`FUSION_MAX_DEQUE_SIZE` elements, where `FUSION_MAX_DEQUE_SIZE` is a
user definable predefined maximum that defaults to `10`. You may define
the preprocessor constant `FUSION_MAX_DEQUE_SIZE` before including any
Fusion header to change the default. Example:
#define FUSION_MAX_DEQUE_SIZE 20
[heading Parameters]
[table
[[Parameter] [Description] [Description]]
[[`elements`] [Instances of `Elements`] [The arguments to `make_deque`]]
]
[heading Expression Semantics]
make_deque(elements...);
[*Return type]: __result_of_make_deque__`<Elements...>::type`
[*Semantics]: Create a __deque__ from `elements...`.
[heading Header]
#include <boost/fusion/container/generation/make_deque.hpp>
#include <boost/fusion/include/make_deque.hpp>
[heading Example]
make_deque(123, "hello", 12.5)
[heading See also]
__note_boost_ref__
[endsect]
[section make_set]
[heading Description]
@ -681,7 +949,7 @@ Create a __map__ from one or more key/data pairs.
, typename T0, typename T1,... typename TN>
typename __result_of_make_map__<K0, K0,... KN, T0, T1,... TN>::type
make_map(T0 const& x0, T1 const& x1... TN const& xN);
The variadic function accepts `0` to `FUSION_MAX_MAP_SIZE` elements,
where `FUSION_MAX_MAP_SIZE` is a user definable predefined maximum that
defaults to `10`. You may define the preprocessor constant
@ -733,6 +1001,7 @@ succeeding sections document the various /tier/ flavors.
* __list_tie__
* __vector_tie__
* __map_tie__
* __deque_tie__
Example:
@ -913,6 +1182,56 @@ including any Fusion header to change the default. Example:
[endsect]
[section deque_tie]
[heading Description]
Constructs a tie using a __deque__ sequence.
[heading Synopsis]
template <typename ...Elements>
__deque__<Elements&...>
deque_tie(Elements&... elements);
For C++11 compilers, the variadic function interface has no upper bound.
For C++03 compilers, the variadic function accepts `0` to
`FUSION_MAX_DEQUE_SIZE` elements, where `FUSION_MAX_DEQUE_SIZE` is a
user definable predefined maximum that defaults to `10`. You may define
the preprocessor constant `FUSION_MAX_DEQUE_SIZE` before including any
Fusion header to change the default. Example:
#define FUSION_MAX_DEQUE_SIZE 20
[heading Parameters]
[table
[[Parameter] [Description] [Description]]
[[`elements`] [Instances of `Elements`] [The arguments to `deque_tie`]]
]
[heading Expression Semantics]
deque_tie(elements...);
[*Return type]: __deque__<Elements&...>
[*Semantics]: Create a __deque__ of references from `elements...`.
[heading Header]
#include <boost/fusion/container/generation/deque_tie.hpp>
#include <boost/fusion/include/deque_tie.hpp>
[heading Example]
int i = 123;
double d = 123.456;
deque_tie(i, d)
[endsect]
[endsect]
[section MetaFunctions]
@ -1038,8 +1357,8 @@ rules for __element_conversion__.
[heading Header]
#include <boost/fusion/container/generation/make_list.hpp>
#include <boost/fusion/include/make_list.hpp>
#include <boost/fusion/container/generation/make_vector.hpp>
#include <boost/fusion/include/make_vector.hpp>
[heading Example]
@ -1047,6 +1366,54 @@ rules for __element_conversion__.
[endsect]
[section make_deque]
[heading Description]
Returns the result type of __make_deque__.
[heading Synopsis]
template <typename ...Elements>
struct make_deque;
For C++11 compilers, the variadic template interface has no upper bound.
For C++03 The variadic function accepts `0` to `FUSION_MAX_DEQUE_SIZE`
elements, where `FUSION_MAX_DEQUE_SIZE` is a user definable predefined
maximum that defaults to `10`. You may define the preprocessor constant
`FUSION_MAX_DEQUE_SIZE` before including any Fusion header to change the
default. Example:
#define FUSION_MAX_DEQUE_SIZE 20
[heading Parameters]
[table
[[Parameter] [Requirement] [Description]]
[[`Elements`] [Variadic template types] [Template arguments to `make_deque`]]
]
[heading Expression Semantics]
result_of::make_deque<Elements...>::type
[*Return type]: A __deque__ with elements of types converted following the
rules for __element_conversion__.
[*Semantics]: Create a __deque__ from `Elements...`.
[heading Header]
#include <boost/fusion/container/generation/make_deque.hpp>
#include <boost/fusion/include/make_deque.hpp>
[heading Example]
result_of::make_deque<int, const char(&)[7], double>::type
[endsect]
[section make_set]
[heading Description]
@ -1239,6 +1606,53 @@ default. Example:
[endsect]
[section deque_tie]
[heading Description]
Returns the result type of __deque_tie__.
[heading Synopsis]
template <typename ...Elements>
struct deque_tie;
For C++11 compilers, the variadic template interface has no upper bound.
For C++03 compilers, the variadic function accepts `0` to
`FUSION_MAX_DEQUE_SIZE` elements, where `FUSION_MAX_DEQUE_SIZE` is a
user definable predefined maximum that defaults to `10`. You may define
the preprocessor constant `FUSION_MAX_DEQUE_SIZE` before including any
Fusion header to change the default. Example:
#define FUSION_MAX_DEQUE_SIZE 20
[heading Parameters]
[table
[[Parameter] [Requirement] [Description]]
[[`Elements`] [Variadic template types] [Template arguments to `deque_tie`]]
]
[heading Expression Semantics]
result_of::deque_tie<Elements...>::type;
[*Return type]: __deque__<Elements&...>
[*Semantics]: Create a __deque__ of references from `Elements...`.
[heading Header]
#include <boost/fusion/container/generation/deque_tie.hpp>
#include <boost/fusion/include/deque_tie.hpp>
[heading Example]
result_of::deque_tie<int, double>::type
[endsect]
[section map_tie]
[heading Description]
@ -1387,6 +1801,48 @@ Convert a fusion sequence to a __vector__.
[endsect]
[section as_deque]
[heading Description]
Convert a fusion sequence to a __deque__.
[heading Synopsis]
template <typename Sequence>
typename result_of::as_deque<Sequence>::type
as_deque(Sequence& seq);
template <typename Sequence>
typename result_of::as_deque<Sequence const>::type
as_deque(Sequence const& seq);
[heading Parameters]
[table
[[Parameter] [Requirement] [Description]]
[[`seq`] [An instance of Sequence] [The sequence to convert.]]
]
[heading Expression Semantics]
as_deque(seq);
[*Return type]: __result_of_as_deque__`<Sequence>::type`
[*Semantics]: Convert a fusion sequence, `seq`, to a __deque__.
[heading Header]
#include <boost/fusion/container/deque/convert.hpp>
#include <boost/fusion/include/as_deque.hpp>
[heading Example]
as_deque(__make_vector__('x', 123, "hello"))
[endsect]
[section as_set]
[heading Description]
@ -1558,6 +2014,44 @@ Returns the result type of __as_vector__.
[endsect]
[section as_deque]
[heading Description]
Returns the result type of __as_deque__.
[heading Synopsis]
template <typename Sequence>
struct as_deque;
[heading Parameters]
[table
[[Parameter] [Requirement] [Description]]
[[`Sequence`] [A fusion __sequence__] [The sequence type to convert.]]
]
[heading Expression Semantics]
result_of::as_deque<Sequence>::type;
[*Return type]: A __deque__ with same elements as the input sequence,
`Sequence`.
[*Semantics]: Convert a fusion sequence, `Sequence`, to a __deque__.
[heading Header]
#include <boost/fusion/container/deque/convert.hpp>
#include <boost/fusion/include/as_deque.hpp>
[heading Example]
result_of::as_deque<__vector__<char, int> >::type
[endsect]
[section as_set]
[heading Description]

View File

@ -1,5 +1,6 @@
[/==============================================================================
Copyright (C) 2001-2007 Joel de Guzman, Dan Marsden, Tobias Schwinger
Copyright (C) 2001-2011 Joel de Guzman
Copyright (C) 2006 Dan Marsden
Use, modification and distribution is subject to the Boost Software
License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
@ -390,7 +391,7 @@ for a variety of types.
[heading Description]
The __sequence_facade__ template provides an intrusive mechanism for
producing a conforming Fusion iterator.
producing a conforming Fusion sequence.
[heading Synopsis]
template<typename Derived, typename TravesalTag, typename IsView = mpl::false_>
@ -415,6 +416,8 @@ The user must the implement the key expressions required by their sequence type.
[[`sequence::template end<Seq>::call(seq)`][An iterator to the end of sequence `seq`]]
[[`sequence::template size<Seq>::type`][The size of a sequence of type `Seq` as an __mpl_integral_constant__]]
[[`sequence::template size<Seq>::call(seq)`][The size of sequence `seq`]]
[[`sequence::template empty<Seq>::type`][Returns `mpl::true_` if `Seq` has zero elements, `mpl::false_` otherwise.]]
[[`sequence::template empty<Seq>::call`][Returns a type convertible to `bool` that evaluates to true if the sequence is empty, else, evaluates to false. ]]
[[`sequence::template at<Seq, N>::type`][The type of element `N` in a sequence of type `Seq`]]
[[`sequence::template at<Seq, N>::call(seq)`][Element `N` in sequence `seq`]]
[[`sequence::template value_at<Sequence, N>::type`][The type of the `N`th element in a sequence of type `Seq`]]
@ -465,8 +468,8 @@ The user must the implement the key expressions required by their iterator type.
[[`iterator::template advance<It, N>::call(it)`][An iterator advanced `N` elements from `it`][Implemented in terms of `next` and `prior`]]
[[`iterator::template distance<It1, It2>::type`][The distance between iterators of type `It1` and `It2` as an __mpl_integral_constant__][None]]
[[`iterator::template distance<It1, It2>::call(it1, it2)`][The distance between iterator `it1` and `it2`][None]]
[[`iterator::template equal_to<It1, It2>::type`][The distance between iterators of type `It1` and `It2`][`boost::same_type<It1, It2>::type`]]
[[`iterator::template equal_to<It1, It2>::call(it1, it2)`][The distance between iterators `it1` and `it2`][`boost::same_type<It1, It2>::type()`]]
[[`iterator::template equal_to<It1, It2>::type`][Returns `mpl::true_` if `It1` is equal to `It2`, `mpl::false_` otherwise.][`boost::same_type<It1, It2>::type`]]
[[`iterator::template equal_to<It1, It2>::call(it1, it2)`][Returns a type convertible to `bool` that evaluates to `true` if `It1` is equal to `It2`, `false` otherwise.][`boost::same_type<It1, It2>::type()`]]
[[`iterator::template key_of<It>::type`][The key type associated with the element from `It`][None]]
[[`iterator::template value_of_data<It>::type`][The type of the data property associated with the element from `It`][None]]
[[`iterator::template deref_data<It>::type`][The type that will be returned by dereferencing the data property of the element from `It`][None]]

View File

@ -1,5 +1,5 @@
[/==============================================================================
Copyright (C) 2001-2007 Joel de Guzman, Dan Marsden, Tobias Schwinger
Copyright (C) 2006 Tobias Schwinger
Use, modification and distribution is subject to the Boost Software
License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
@ -66,9 +66,9 @@ function objects to accept arbitrary calls. In other words, an unary function
object can be implemented instead of (maybe heavily overloaded) function
templates or function call operators.
The library provides both a strictly typed and a generic variant for this
The library provides both a strictly typed and a generic variant for this
transformation. The latter should be used in combination with
__boost_func_forward__ to attack __the_forwarding_problem__.
__boost_func_forward__ to attack __the_forwarding_problem__.
Both variants have a corresponding generator function template that returns an
adapter instance for the given argument.
@ -546,7 +546,7 @@ Returns the result type of __invoke_function_object__.
[heading Macros]
The following macros can be defined to change the maximum arity.
The following macros can be defined to change the maximum arity.
The default is 6.
* BOOST_FUSION_INVOKE_MAX_ARITY
@ -1060,7 +1060,7 @@ signature is optimized automatically to avoid by-value parameters.]
[heading Macros]
The following macros can be defined to change the maximum arity.
The following macros can be defined to change the maximum arity.
The value used for these macros must not exceed `FUSION_MAX_VECTOR_SIZE`.
The default is 6.

View File

@ -1,5 +1,6 @@
[/==============================================================================
Copyright (C) 2001-2007 Joel de Guzman, Dan Marsden, Tobias Schwinger
Copyright (C) 2001-2011 Joel de Guzman
Copyright (C) 2006 Dan Marsden
Copyright (C) 2010 Christopher Schmidt
Use, modification and distribution is subject to the Boost Software
@ -8,9 +9,9 @@
===============================================================================/]
[library Fusion
[quickbook 1.3]
[version 2.0]
[version 2.2]
[authors [de Guzman, Joel], [Marsden, Dan], [Schwinger, Tobias]]
[copyright 2001 2002 2003 2004 2005 2006 2007 Joel de Guzman, Dan Marsden, Tobias Schwinger]
[copyright 2001 2002 2003 2004 2005 2006 2011 2012 Joel de Guzman, Dan Marsden, Tobias Schwinger]
[purpose Statically Typed Heterogeneous Data Structures and Algorithms]
[license
Distributed under the Boost Software License, Version 1.0.
@ -115,6 +116,9 @@
[def __vector__ [link fusion.container.vector `vector`]]
[def __cons__ [link fusion.container.cons `cons`]]
[def __list__ [link fusion.container.list `list`]]
[def __deque__ [link fusion.container.deque `deque`]]
[def __front_extended_deque__ [link fusion.container.front_extended_deque `front_extended_deque`]]
[def __back_extended_deque__ [link fusion.container.back_extended_deque `back_extended_deque`]]
[def __set__ [link fusion.container.set `set`]]
[def __map__ [link fusion.container.map `map`]]
@ -197,12 +201,16 @@
[def __result_of_make_cons__ [link fusion.container.generation.metafunctions.make_cons `result_of::make_cons`]]
[def __make_list__ [link fusion.container.generation.functions.make_list `make_list`]]
[def __result_of_make_list__ [link fusion.container.generation.metafunctions.make_list `result_of::make_list`]]
[def __make_deque__ [link fusion.container.generation.functions.make_deque `make_deque`]]
[def __result_of_make_deque__ [link fusion.container.generation.metafunctions.make_deque `result_of::make_deque`]]
[def __make_set__ [link fusion.container.generation.functions.make_set `make_set`]]
[def __result_of_make_set__ [link fusion.container.generation.metafunctions.make_set `result_of::make_set`]]
[def __make_map__ [link fusion.container.generation.functions.make_map `make_map`]]
[def __result_of_make_map__ [link fusion.container.generation.metafunctions.make_map `result_of::make_map`]]
[def __list_tie__ [link fusion.container.generation.functions.list_tie `list_tie`]]
[def __result_of_list_tie__ [link fusion.container.generation.metafunctions.list_tie `result_of::list_tie`]]
[def __deque_tie__ [link fusion.container.generation.functions.deque_tie `deque_tie`]]
[def __result_of_deque_tie__ [link fusion.container.generation.metafunctions.deque_tie `result_of::deque_tie`]]
[def __out__ [link fusion.sequence.operator.i_o.out out]]
[def __in__ [link fusion.sequence.operator.i_o.in in]]
@ -215,6 +223,7 @@
[def __algorithm__ [link fusion.algorithm Algorithm]]
[def __algorithms__ [link fusion.algorithm Algorithms]]
[def __copy__ [link fusion.algorithm.auxiliary.functions.copy `copy`]]
[def __fold__ [link fusion.algorithm.iteration.functions.fold `fold`]]
[def __result_of_fold__ [link fusion.algorithm.iteration.metafunctions.fold `result_of::fold`]]
[def __reverse_fold__ [link fusion.algorithm.iteration.functions.reverse_fold `reverse_fold`]]

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<p>
Special thanks to David Abrahams, Douglas Gregor, Hartmut Kaiser, Aleksey Gurtovoy,
Peder Holt, Daniel Wallin, Jaakko Jarvi, Jeremiah Willcock, Dan Marsden, Eric
Niebler, Joao Abecasis and Andy Little. These people are instrumental in the
design and development of Fusion.
</p>
<p>
Special thanks to Ronald Garcia, the review manager and to all the people in
the boost community who participated in the review: Andreas Pokorny, Andreas
Huber, Jeff Flinn, David Abrahams, Pedro Lamarao, Larry Evans, Ryan Gallagher,
Andy Little, Gennadiy Rozental, Tobias Schwinger, Joao Abecasis, Eric Niebler,
Oleg Abrosimov, Gary Powell, Eric Friedman, Darren Cook, Martin Bonner and
Douglas Gregor.
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<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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<div class="toc"><dl>
<dt><span class="section"><a href="adapted/array.html">Array</a></span></dt>
<dt><span class="section"><a href="adapted/std__pair.html">std::pair</a></span></dt>
<dt><span class="section"><a href="adapted/mpl_sequence.html">mpl sequence</a></span></dt>
<dt><span class="section"><a href="adapted/boost__array.html">boost::array</a></span></dt>
<dt><span class="section"><a href="adapted/boost__tuple.html">boost::tuple</a></span></dt>
<dt><span class="section"><a href="adapted/adapt_struct.html">BOOST_FUSION_ADAPT_STRUCT</a></span></dt>
<dt><span class="section"><a href="adapted/adapt_tpl_struct.html">BOOST_FUSION_ADAPT_TPL_STRUCT</a></span></dt>
<dt><span class="section"><a href="adapted/adapt_struct_named.html">BOOST_FUSION_ADAPT_STRUCT_NAMED</a></span></dt>
<dt><span class="section"><a href="adapted/adapt_assoc.html">BOOST_FUSION_ADAPT_ASSOC_STRUCT</a></span></dt>
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<dt><span class="section"><a href="adapted/adapt_assoc_struct_named.html">BOOST_FUSION_ADAPT_ASSOC_STRUCT_NAMED</a></span></dt>
<dt><span class="section"><a href="adapted/adapt_adt.html">BOOST_FUSION_ADAPT_ADT</a></span></dt>
<dt><span class="section"><a href="adapted/adapt_tpl_adt.html">BOOST_FUSION_ADAPT_TPL_ADT</a></span></dt>
<dt><span class="section"><a href="adapted/adapt_assoc_adt.html">BOOST_FUSION_ADAPT_ASSOC_ADT</a></span></dt>
<dt><span class="section"><a href="adapted/adapt_assoc_tpl_adt.html">BOOST_FUSION_ADAPT_ASSOC_TPL_ADT</a></span></dt>
<dt><span class="section"><a href="adapted/define_struct.html">BOOST_FUSION_DEFINE_STRUCT</a></span></dt>
<dt><span class="section"><a href="adapted/define_tpl_struct.html">BOOST_FUSION_DEFINE_TPL_STRUCT</a></span></dt>
<dt><span class="section"><a href="adapted/define_assoc_struct.html">BOOST_FUSION_DEFINE_ASSOC_STRUCT</a></span></dt>
<dt><span class="section"><a href="adapted/define_assoc_tpl_struct.html">BOOST_FUSION_DEFINE_ASSOC_TPL_STRUCT</a></span></dt>
</dl></div>
<p>
Fusion provides a couple of adapters for other sequences such as arrays, <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">pair</span></code>,
<a href="http://www.boost.org/libs/mpl/index.html" target="_top">MPL</a> sequences,
and <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">array</span></code>. These adapters are written using Fusion's
non-intrusive <a class="link" href="extension.html" title="Extension">Extension</a> mechanism.
If you wish to use these sequences with fusion, simply include the necessary
files and they will be regarded as first-class, fully conforming fusion sequences.
</p>
<p>
Fusion also provides various schemes to make it easy for the user to adapt
various data structures, non-intrusively, as full fledged Fusion sequences.
</p>
<a name="fusion.adapted.header"></a><h4>
<a name="id923124"></a>
<a class="link" href="adapted.html#fusion.adapted.header">Header</a>
</h4>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">adapted</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">adapted</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<p>
Fusion sequences may also be adapted as fully conforming <a href="http://www.boost.org/libs/mpl/index.html" target="_top">MPL</a>
sequences (see <a class="link" href="sequence/intrinsic.html" title="Intrinsic">Intrinsics</a>).
That way, we can have 2-way adaptation to and from <a href="http://www.boost.org/libs/mpl/index.html" target="_top">MPL</a>
and Fusion. To make Fusion sequences fully conforming <a href="http://www.boost.org/libs/mpl/index.html" target="_top">MPL</a>
sequences, include:
</p>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">mpl</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<p>
If you want bi-directional adaptation to and from <a href="http://www.boost.org/libs/mpl/index.html" target="_top">MPL</a>
and Fusion, simply include:
</p>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">mpl</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<p>
The header includes all the necessary headers.
</p>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
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<a name="fusion.adapted.adapt_adt"></a><a class="link" href="adapt_adt.html" title="BOOST_FUSION_ADAPT_ADT">BOOST_FUSION_ADAPT_ADT</a>
</h3></div></div></div>
<p>
BOOST_FUSION_ADAPT_ADT is a macro than can be used to generate all the necessary
boilerplate to adapt an arbitrary class type as a model of <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a>.
</p>
<a name="fusion.adapted.adapt_adt.synopsis"></a><h5>
<a name="id934417"></a>
<a class="link" href="adapt_adt.html#fusion.adapted.adapt_adt.synopsis">Synopsis</a>
</h5>
<pre class="programlisting"><span class="identifier">BOOST_FUSION_ADAPT_ADT</span><span class="special">(</span>
<span class="identifier">type_name</span><span class="special">,</span>
<span class="special">(</span><span class="identifier">attribute_type0</span><span class="special">,</span> <span class="identifier">attribute_const_type0</span><span class="special">,</span> <span class="identifier">get_expr0</span><span class="special">,</span> <span class="identifier">set_expr0</span><span class="special">)</span>
<span class="special">(</span><span class="identifier">attribute_type1</span><span class="special">,</span> <span class="identifier">attribute_const_type1</span><span class="special">,</span> <span class="identifier">get_expr1</span><span class="special">,</span> <span class="identifier">set_expr1</span><span class="special">)</span>
<span class="special">...</span>
<span class="special">)</span>
</pre>
<a name="fusion.adapted.adapt_adt.expression_semantics"></a><h5>
<a name="id934535"></a>
<a class="link" href="adapt_adt.html#fusion.adapted.adapt_adt.expression_semantics">Expression
Semantics</a>
</h5>
<p>
The above macro generates the necessary code to adapt <code class="computeroutput"><span class="identifier">type_name</span></code>
as a model of <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a>. The sequence of <code class="literal">(attribute_type<span class="emphasis"><em>N</em></span>,
attribute_const_type<span class="emphasis"><em>N</em></span>, get_expr<span class="emphasis"><em>N</em></span>,
set_expr<span class="emphasis"><em>N</em></span>)</code> quadruples declares the types,
const types, get-expressions and set-expressions of the elements that are
part of the adapted fusion sequence. <code class="literal">get_expr<span class="emphasis"><em>N</em></span></code>
is the expression that is invoked to get the <span class="emphasis"><em>N</em></span>th element
of an instance of <code class="computeroutput"><span class="identifier">type_name</span></code>.
This expression may access a variable named <code class="computeroutput"><span class="identifier">obj</span></code>
of type <code class="computeroutput"><span class="identifier">type_name</span><span class="special">&amp;</span></code>
or <code class="computeroutput"><span class="identifier">type_name</span> <span class="keyword">const</span><span class="special">&amp;</span></code> which represents the underlying instance
of <code class="computeroutput"><span class="identifier">type_name</span></code>. <code class="literal">attribute_type<span class="emphasis"><em>N</em></span></code>
and <code class="literal">attribute_const_type<span class="emphasis"><em>N</em></span></code> may specify
the types that <code class="literal">get_expr<span class="emphasis"><em>N</em></span></code> denotes
to. <code class="literal">set_expr<span class="emphasis"><em>N</em></span></code> is the expression that
is invoked to set the <span class="emphasis"><em>N</em></span>th element of an instance of
<code class="computeroutput"><span class="identifier">type_name</span></code>. This expression
may access variables named <code class="computeroutput"><span class="identifier">obj</span></code>
of type <code class="computeroutput"><span class="identifier">type_name</span><span class="special">&amp;</span></code>,
which represent the corresponding instance of <code class="computeroutput"><span class="identifier">type_name</span></code>,
and <code class="computeroutput"><span class="identifier">val</span></code> of an arbitrary const-qualified
reference template type parameter <code class="computeroutput"><span class="identifier">Val</span></code>,
which represents the right operand of the assignment expression.
</p>
<p>
The actual return type of fusion's intrinsic sequence access (meta-)functions
when in invoked with (an instance of) <code class="computeroutput"><span class="identifier">type_name</span></code>
is a proxy type. This type is implicitly convertible to the attribute type
via <code class="literal">get_expr<span class="emphasis"><em>N</em></span></code> and forwards assignment
to the underlying element via <code class="literal">set_expr<span class="emphasis"><em>N</em></span></code>.
The value type (that is the type returned by <a class="link" href="../iterator/metafunctions/value_of.html" title="value_of"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">value_of</span></code></a>, <a class="link" href="../sequence/intrinsic/metafunctions/value_at.html" title="value_at"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">value_at</span></code></a> and <a class="link" href="../sequence/intrinsic/metafunctions/value_at_c.html" title="value_at_c"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">value_at_c</span></code></a>) of the <span class="emphasis"><em>N</em></span>th
element is <code class="literal">attribute_type<span class="emphasis"><em>N</em></span></code> with const-qualifier
and reference removed.
</p>
<p>
The macro should be used at global scope, and <code class="computeroutput"><span class="identifier">type_name</span></code>
should be the fully namespace qualified name of the class type to be adapted.
</p>
<a name="fusion.adapted.adapt_adt.header"></a><h5>
<a name="id934823"></a>
<a class="link" href="adapt_adt.html#fusion.adapted.adapt_adt.header">Header</a>
</h5>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">adapted</span><span class="special">/</span><span class="identifier">adt</span><span class="special">/</span><span class="identifier">adapt_adt</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">adapt_adt</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.adapted.adapt_adt.example"></a><h5>
<a name="id934938"></a>
<a class="link" href="adapt_adt.html#fusion.adapted.adapt_adt.example">Example</a>
</h5>
<pre class="programlisting"><span class="keyword">namespace</span> <span class="identifier">demo</span>
<span class="special">{</span>
<span class="keyword">struct</span> <span class="identifier">employee</span>
<span class="special">{</span>
<span class="keyword">private</span><span class="special">:</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="identifier">name</span><span class="special">;</span>
<span class="keyword">int</span> <span class="identifier">age</span><span class="special">;</span>
<span class="keyword">public</span><span class="special">:</span>
<span class="keyword">void</span> <span class="identifier">set_name</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">n</span><span class="special">)</span>
<span class="special">{</span>
<span class="identifier">name</span><span class="special">=</span><span class="identifier">n</span><span class="special">;</span>
<span class="special">}</span>
<span class="keyword">void</span> <span class="identifier">set_age</span><span class="special">(</span><span class="keyword">int</span> <span class="identifier">a</span><span class="special">)</span>
<span class="special">{</span>
<span class="identifier">age</span><span class="special">=</span><span class="identifier">a</span><span class="special">;</span>
<span class="special">}</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">get_name</span><span class="special">()</span><span class="keyword">const</span>
<span class="special">{</span>
<span class="keyword">return</span> <span class="identifier">name</span><span class="special">;</span>
<span class="special">}</span>
<span class="keyword">int</span> <span class="identifier">get_age</span><span class="special">()</span><span class="keyword">const</span>
<span class="special">{</span>
<span class="keyword">return</span> <span class="identifier">age</span><span class="special">;</span>
<span class="special">}</span>
<span class="special">};</span>
<span class="special">}</span>
<span class="identifier">BOOST_FUSION_ADAPT_ADT</span><span class="special">(</span>
<span class="identifier">demo</span><span class="special">::</span><span class="identifier">employee</span><span class="special">,</span>
<span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="keyword">const</span><span class="special">&amp;,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="keyword">const</span><span class="special">&amp;,</span> <span class="identifier">obj</span><span class="special">.</span><span class="identifier">get_name</span><span class="special">(),</span> <span class="identifier">obj</span><span class="special">.</span><span class="identifier">set_name</span><span class="special">(</span><span class="identifier">val</span><span class="special">))</span>
<span class="special">(</span><span class="keyword">int</span><span class="special">,</span> <span class="keyword">int</span><span class="special">,</span> <span class="identifier">obj</span><span class="special">.</span><span class="identifier">get_age</span><span class="special">(),</span> <span class="identifier">obj</span><span class="special">.</span><span class="identifier">set_age</span><span class="special">(</span><span class="identifier">val</span><span class="special">)))</span>
<span class="identifier">demo</span><span class="special">::</span><span class="identifier">employee</span> <span class="identifier">e</span><span class="special">;</span>
<span class="identifier">front</span><span class="special">(</span><span class="identifier">e</span><span class="special">)=</span><span class="string">"Edward Norton"</span><span class="special">;</span>
<span class="identifier">back</span><span class="special">(</span><span class="identifier">e</span><span class="special">)=</span><span class="number">41</span><span class="special">;</span>
<span class="comment">//Prints 'Edward Norton is 41 years old'
</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="identifier">e</span><span class="special">.</span><span class="identifier">get_name</span><span class="special">()</span> <span class="special">&lt;&lt;</span> <span class="string">" is "</span> <span class="special">&lt;&lt;</span> <span class="identifier">e</span><span class="special">.</span><span class="identifier">get_age</span><span class="special">()</span> <span class="special">&lt;&lt;</span> <span class="string">" years old"</span> <span class="special">&lt;&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
</pre>
<a name="fusion.adapted.adapt_adt.see_also"></a><h5>
<a name="id936675"></a>
<a class="link" href="adapt_adt.html#fusion.adapted.adapt_adt.see_also">See also</a>
</h5>
<p>
<a class="link" href="../notes.html#fusion.notes.adt_attribute_proxy"><code class="computeroutput"><span class="identifier">adt_attribute_proxy</span></code></a>
</p>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
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<div class="titlepage"><div><div><h3 class="title">
<a name="fusion.adapted.adapt_assoc"></a><a class="link" href="adapt_assoc.html" title="BOOST_FUSION_ADAPT_ASSOC_STRUCT">BOOST_FUSION_ADAPT_ASSOC_STRUCT</a>
</h3></div></div></div>
<a name="fusion.adapted.adapt_assoc.description"></a><h5>
<a name="id929010"></a>
<a class="link" href="adapt_assoc.html#fusion.adapted.adapt_assoc.description">Description</a>
</h5>
<p>
BOOST_FUSION_ADAPT_ASSOC_STRUCT is a macro that can be used to generate all
the necessary boilerplate to make an arbitrary struct a model of <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a> and <a class="link" href="../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a>.
</p>
<a name="fusion.adapted.adapt_assoc.synopsis"></a><h5>
<a name="id929036"></a>
<a class="link" href="adapt_assoc.html#fusion.adapted.adapt_assoc.synopsis">Synopsis</a>
</h5>
<pre class="programlisting"><span class="identifier">BOOST_FUSION_ADAPT_ASSOC_STRUCT</span><span class="special">(</span>
<span class="identifier">struct_name</span><span class="special">,</span>
<span class="special">(</span><span class="identifier">member_type0</span><span class="special">,</span> <span class="identifier">member_name0</span><span class="special">,</span> <span class="identifier">key_type0</span><span class="special">)</span>
<span class="special">(</span><span class="identifier">member_type1</span><span class="special">,</span> <span class="identifier">member_name1</span><span class="special">,</span> <span class="identifier">key_type1</span><span class="special">)</span>
<span class="special">...</span>
<span class="special">)</span>
</pre>
<a name="fusion.adapted.adapt_assoc.semantics"></a><h5>
<a name="id929137"></a>
<a class="link" href="adapt_assoc.html#fusion.adapted.adapt_assoc.semantics">Semantics</a>
</h5>
<p>
The above macro generates the necessary code to adapt <code class="computeroutput"><span class="identifier">struct_name</span></code>
as a model of <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a> and <a class="link" href="../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a>. The sequence of <code class="computeroutput"><span class="special">(</span><span class="identifier">member_typeN</span><span class="special">,</span>
<span class="identifier">member_nameN</span><span class="special">,</span>
<span class="identifier">key_typeN</span><span class="special">)</span></code>
triples declares the type, name and key type of each of the struct members
that are part of the sequence.
</p>
<p>
The macro should be used at global scope, and <code class="computeroutput"><span class="identifier">struct_name</span></code>
should be the fully namespace qualified name of the struct to be adapted.
</p>
<a name="fusion.adapted.adapt_assoc.header"></a><h5>
<a name="id929214"></a>
<a class="link" href="adapt_assoc.html#fusion.adapted.adapt_assoc.header">Header</a>
</h5>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">adapted</span><span class="special">/</span><span class="keyword">struct</span><span class="special">/</span><span class="identifier">adapt_assoc_struct</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">adapt_assoc_struct</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.adapted.adapt_assoc.example"></a><h5>
<a name="id929329"></a>
<a class="link" href="adapt_assoc.html#fusion.adapted.adapt_assoc.example">Example</a>
</h5>
<pre class="programlisting"><span class="keyword">namespace</span> <span class="identifier">demo</span>
<span class="special">{</span>
<span class="keyword">struct</span> <span class="identifier">employee</span>
<span class="special">{</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="identifier">name</span><span class="special">;</span>
<span class="keyword">int</span> <span class="identifier">age</span><span class="special">;</span>
<span class="special">};</span>
<span class="special">}</span>
<span class="keyword">namespace</span> <span class="identifier">keys</span>
<span class="special">{</span>
<span class="keyword">struct</span> <span class="identifier">name</span><span class="special">;</span>
<span class="keyword">struct</span> <span class="identifier">age</span><span class="special">;</span>
<span class="special">}</span>
<span class="comment">// demo::employee is now a Fusion sequence.
</span><span class="comment">// It is also an associative sequence with
</span><span class="comment">// keys keys::name and keys::age present.
</span><span class="identifier">BOOST_FUSION_ADAPT_ASSOC_STRUCT</span><span class="special">(</span>
<span class="identifier">demo</span><span class="special">::</span><span class="identifier">employee</span><span class="special">,</span>
<span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">,</span> <span class="identifier">name</span><span class="special">,</span> <span class="identifier">keys</span><span class="special">::</span><span class="identifier">name</span><span class="special">)</span>
<span class="special">(</span><span class="keyword">int</span><span class="special">,</span> <span class="identifier">age</span><span class="special">,</span> <span class="identifier">keys</span><span class="special">::</span><span class="identifier">age</span><span class="special">))</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
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<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="fusion.adapted.adapt_assoc_adt"></a><a class="link" href="adapt_assoc_adt.html" title="BOOST_FUSION_ADAPT_ASSOC_ADT">BOOST_FUSION_ADAPT_ASSOC_ADT</a>
</h3></div></div></div>
<p>
BOOST_FUSION_ADAPT_ASSOC_ADT is a macro than can be used to generate all
the necessary boilerplate to adapt an arbitrary class type as a model of
<a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random Access
Sequence</a> and <a class="link" href="../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a>.
</p>
<a name="fusion.adapted.adapt_assoc_adt.synopsis"></a><h5>
<a name="id938161"></a>
<a class="link" href="adapt_assoc_adt.html#fusion.adapted.adapt_assoc_adt.synopsis">Synopsis</a>
</h5>
<pre class="programlisting"><span class="identifier">BOOST_FUSION_ADAPT_ASSOC_ADT</span><span class="special">(</span>
<span class="identifier">type_name</span><span class="special">,</span>
<span class="special">(</span><span class="identifier">attribute_type0</span><span class="special">,</span> <span class="identifier">attribute_const_type0</span><span class="special">,</span> <span class="identifier">get_expr0</span><span class="special">,</span> <span class="identifier">set_expr0</span><span class="special">,</span> <span class="identifier">key_type0</span><span class="special">)</span>
<span class="special">(</span><span class="identifier">attribute_type1</span><span class="special">,</span> <span class="identifier">attribute_const_type1</span><span class="special">,</span> <span class="identifier">get_expr1</span><span class="special">,</span> <span class="identifier">set_expr1</span><span class="special">,</span> <span class="identifier">key_type1</span><span class="special">)</span>
<span class="special">...</span>
<span class="special">)</span>
</pre>
<a name="fusion.adapted.adapt_assoc_adt.expression_semantics"></a><h5>
<a name="id938295"></a>
<a class="link" href="adapt_assoc_adt.html#fusion.adapted.adapt_assoc_adt.expression_semantics">Expression
Semantics</a>
</h5>
<p>
The above macro generates the necessary code to adapt <code class="computeroutput"><span class="identifier">type_name</span></code>
as a model of <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a> and <a class="link" href="../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a>. The sequence of <code class="literal">(attribute_type<span class="emphasis"><em>N</em></span>,
attribute_const_type<span class="emphasis"><em>N</em></span>, get_expr<span class="emphasis"><em>N</em></span>,
set_expr<span class="emphasis"><em>N</em></span>, key_type<span class="emphasis"><em>N</em></span>)</code>
5-tuples declares the types, const types, get-expressions, set-expressions
and key types of the elements that are part of the adapted fusion sequence.
<code class="literal">get_expr<span class="emphasis"><em>N</em></span></code> is the expression that
is invoked to get the <span class="emphasis"><em>N</em></span>th element of an instance of
<code class="computeroutput"><span class="identifier">type_name</span></code>. This expression
may access a variable named <code class="computeroutput"><span class="identifier">obj</span></code>
of type <code class="computeroutput"><span class="identifier">type_name</span><span class="special">&amp;</span></code>
or <code class="computeroutput"><span class="identifier">type_name</span> <span class="keyword">const</span><span class="special">&amp;</span></code> which represents the underlying instance
of <code class="computeroutput"><span class="identifier">type_name</span></code>. <code class="literal">attribute_type<span class="emphasis"><em>N</em></span></code>
and <code class="literal">attribute_const_type<span class="emphasis"><em>N</em></span></code> may specify
the types that <code class="literal">get_expr<span class="emphasis"><em>N</em></span></code> denotes
to. <code class="literal">set_expr<span class="emphasis"><em>N</em></span></code> is the expression that
is invoked to set the <span class="emphasis"><em>N</em></span>th element of an instance of
<code class="computeroutput"><span class="identifier">type_name</span></code>. This expression
may access variables named <code class="computeroutput"><span class="identifier">obj</span></code>
of type <code class="computeroutput"><span class="identifier">type_name</span><span class="special">&amp;</span></code>,
which represent the corresponding instance of <code class="computeroutput"><span class="identifier">type_name</span></code>,
and <code class="computeroutput"><span class="identifier">val</span></code> of an arbitrary const-qualified
reference template type parameter <code class="computeroutput"><span class="identifier">Val</span></code>,
which represents the right operand of the assignment expression.
</p>
<p>
The actual return type of fusion's intrinsic sequence access (meta-)functions
when in invoked with (an instance of) <code class="computeroutput"><span class="identifier">type_name</span></code>
is a proxy type. This type is implicitly convertible to the attribute type
via <code class="literal">get_expr<span class="emphasis"><em>N</em></span></code> and forwards assignment
to the underlying element via <code class="literal">set_expr<span class="emphasis"><em>N</em></span></code>.
The value type (that is the type returned by <a class="link" href="../iterator/metafunctions/value_of.html" title="value_of"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">value_of</span></code></a>, <a class="link" href="../iterator/metafunctions/value_of_data.html" title="value_of_data"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">value_of_data</span></code></a>, <a class="link" href="../sequence/intrinsic/metafunctions/value_at.html" title="value_at"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">value_at</span></code></a>, <a class="link" href="../sequence/intrinsic/metafunctions/value_at_c.html" title="value_at_c"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">value_at_c</span></code></a> and <a class="link" href="../sequence/intrinsic/metafunctions/value_at_key.html" title="value_at_key"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">value_at_key</span></code></a>) of the <span class="emphasis"><em>N</em></span>th
element is <code class="literal">attribute_type<span class="emphasis"><em>N</em></span></code> with const-qualifier
and reference removed.
</p>
<p>
The macro should be used at global scope, and <code class="computeroutput"><span class="identifier">type_name</span></code>
should be the fully namespace qualified name of the class type to be adapted.
</p>
<a name="fusion.adapted.adapt_assoc_adt.header"></a><h5>
<a name="id938625"></a>
<a class="link" href="adapt_assoc_adt.html#fusion.adapted.adapt_assoc_adt.header">Header</a>
</h5>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">adapted</span><span class="special">/</span><span class="identifier">adt</span><span class="special">/</span><span class="identifier">adapt_assoc_adt</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">adapt_assoc_adt</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.adapted.adapt_assoc_adt.example"></a><h5>
<a name="id938741"></a>
<a class="link" href="adapt_assoc_adt.html#fusion.adapted.adapt_assoc_adt.example">Example</a>
</h5>
<pre class="programlisting"><span class="keyword">namespace</span> <span class="identifier">demo</span>
<span class="special">{</span>
<span class="keyword">struct</span> <span class="identifier">employee</span>
<span class="special">{</span>
<span class="keyword">private</span><span class="special">:</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="identifier">name</span><span class="special">;</span>
<span class="keyword">int</span> <span class="identifier">age</span><span class="special">;</span>
<span class="keyword">public</span><span class="special">:</span>
<span class="keyword">void</span> <span class="identifier">set_name</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">n</span><span class="special">)</span>
<span class="special">{</span>
<span class="identifier">name</span><span class="special">=</span><span class="identifier">n</span><span class="special">;</span>
<span class="special">}</span>
<span class="keyword">void</span> <span class="identifier">set_age</span><span class="special">(</span><span class="keyword">int</span> <span class="identifier">a</span><span class="special">)</span>
<span class="special">{</span>
<span class="identifier">age</span><span class="special">=</span><span class="identifier">a</span><span class="special">;</span>
<span class="special">}</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">get_name</span><span class="special">()</span><span class="keyword">const</span>
<span class="special">{</span>
<span class="keyword">return</span> <span class="identifier">name</span><span class="special">;</span>
<span class="special">}</span>
<span class="keyword">int</span> <span class="identifier">get_age</span><span class="special">()</span><span class="keyword">const</span>
<span class="special">{</span>
<span class="keyword">return</span> <span class="identifier">age</span><span class="special">;</span>
<span class="special">}</span>
<span class="special">};</span>
<span class="special">}</span>
<span class="keyword">namespace</span> <span class="identifier">keys</span>
<span class="special">{</span>
<span class="keyword">struct</span> <span class="identifier">name</span><span class="special">;</span>
<span class="keyword">struct</span> <span class="identifier">age</span><span class="special">;</span>
<span class="special">}</span>
<span class="identifier">BOOST_FUSION_ADAPT_ASSOC_ADT</span><span class="special">(</span>
<span class="identifier">demo</span><span class="special">::</span><span class="identifier">employee</span><span class="special">,</span>
<span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="keyword">const</span><span class="special">&amp;,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="keyword">const</span><span class="special">&amp;,</span> <span class="identifier">obj</span><span class="special">.</span><span class="identifier">get_name</span><span class="special">(),</span> <span class="identifier">obj</span><span class="special">.</span><span class="identifier">set_name</span><span class="special">(</span><span class="identifier">val</span><span class="special">),</span> <span class="identifier">keys</span><span class="special">::</span><span class="identifier">name</span><span class="special">)</span>
<span class="special">(</span><span class="keyword">int</span><span class="special">,</span> <span class="keyword">int</span><span class="special">,</span> <span class="identifier">obj</span><span class="special">.</span><span class="identifier">get_age</span><span class="special">(),</span> <span class="identifier">obj</span><span class="special">.</span><span class="identifier">set_age</span><span class="special">(</span><span class="identifier">val</span><span class="special">),</span> <span class="identifier">keys</span><span class="special">::</span><span class="identifier">age</span><span class="special">))</span>
<span class="identifier">demo</span><span class="special">::</span><span class="identifier">employee</span> <span class="identifier">e</span><span class="special">;</span>
<span class="identifier">at_key</span><span class="special">&lt;</span><span class="identifier">keys</span><span class="special">::</span><span class="identifier">name</span><span class="special">&gt;(</span><span class="identifier">e</span><span class="special">)=</span><span class="string">"Edward Norton"</span><span class="special">;</span>
<span class="identifier">at_key</span><span class="special">&lt;</span><span class="identifier">keys</span><span class="special">::</span><span class="identifier">age</span><span class="special">&gt;(</span><span class="identifier">e</span><span class="special">)=</span><span class="number">41</span><span class="special">;</span>
<span class="comment">//Prints 'Edward Norton is 41 years old'
</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="identifier">e</span><span class="special">.</span><span class="identifier">get_name</span><span class="special">()</span> <span class="special">&lt;&lt;</span> <span class="string">" is "</span> <span class="special">&lt;&lt;</span> <span class="identifier">e</span><span class="special">.</span><span class="identifier">get_age</span><span class="special">()</span> <span class="special">&lt;&lt;</span> <span class="string">" years old"</span> <span class="special">&lt;&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
</pre>
<a name="fusion.adapted.adapt_assoc_adt.see_also"></a><h5>
<a name="id941266"></a>
<a class="link" href="adapt_assoc_adt.html#fusion.adapted.adapt_assoc_adt.see_also">See also</a>
</h5>
<p>
<a class="link" href="../notes.html#fusion.notes.adt_attribute_proxy"><code class="computeroutput"><span class="identifier">adt_attribute_proxy</span></code></a>
</p>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
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<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="fusion.adapted.adapt_assoc_struct_named"></a><a class="link" href="adapt_assoc_struct_named.html" title="BOOST_FUSION_ADAPT_ASSOC_STRUCT_NAMED">BOOST_FUSION_ADAPT_ASSOC_STRUCT_NAMED</a>
</h3></div></div></div>
<a name="fusion.adapted.adapt_assoc_struct_named.description"></a><h5>
<a name="id933607"></a>
<a class="link" href="adapt_assoc_struct_named.html#fusion.adapted.adapt_assoc_struct_named.description">Description</a>
</h5>
<p>
BOOST_FUSION_ADAPT_ASSOC_STRUCT_NAMED and BOOST_FUSION_ADAPT_ASSOC_STRUCT_NAMED_NS
are macros that can be used to generate all the necessary boilerplate to
make an arbitrary struct a model of <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a> and <a class="link" href="../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a>. The given struct is adapted using the given name.
</p>
<a name="fusion.adapted.adapt_assoc_struct_named.synopsis"></a><h5>
<a name="id933635"></a>
<a class="link" href="adapt_assoc_struct_named.html#fusion.adapted.adapt_assoc_struct_named.synopsis">Synopsis</a>
</h5>
<pre class="programlisting"><span class="identifier">BOOST_FUSION_ADAPT_ASSOC_STRUCT_NAMED</span><span class="special">(</span>
<span class="identifier">struct_name</span><span class="special">,</span> <span class="identifier">adapted_name</span><span class="special">,</span>
<span class="special">(</span><span class="identifier">member_type0</span><span class="special">,</span> <span class="identifier">member_name0</span><span class="special">,</span> <span class="identifier">key_type0</span><span class="special">)</span>
<span class="special">(</span><span class="identifier">member_type1</span><span class="special">,</span> <span class="identifier">member_name1</span><span class="special">,</span> <span class="identifier">key_type1</span><span class="special">)</span>
<span class="special">...</span>
<span class="special">)</span>
<span class="identifier">BOOST_FUSION_ADAPT_ASSOC_STRUCT_NAMED_NS</span><span class="special">(</span>
<span class="identifier">struct_name</span><span class="special">,</span>
<span class="special">(</span><span class="identifier">namespace0</span><span class="special">)(</span><span class="identifier">namespace1</span><span class="special">)...,</span>
<span class="identifier">adapted_name</span><span class="special">,</span>
<span class="special">(</span><span class="identifier">member_type0</span><span class="special">,</span> <span class="identifier">member_name0</span><span class="special">,</span> <span class="identifier">key_type0</span><span class="special">)</span>
<span class="special">(</span><span class="identifier">member_type1</span><span class="special">,</span> <span class="identifier">member_name1</span><span class="special">,</span> <span class="identifier">key_type1</span><span class="special">)</span>
<span class="special">...</span>
<span class="special">)</span>
</pre>
<a name="fusion.adapted.adapt_assoc_struct_named.semantics"></a><h5>
<a name="id933856"></a>
<a class="link" href="adapt_assoc_struct_named.html#fusion.adapted.adapt_assoc_struct_named.semantics">Semantics</a>
</h5>
<p>
The above macros generate the necessary code to adapt <code class="computeroutput"><span class="identifier">struct_name</span></code>
as a model of <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a> and <a class="link" href="../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> while using <code class="computeroutput"><span class="identifier">adapted_name</span></code>
as the name of the adapted struct. The sequence <code class="computeroutput"><span class="special">(</span><span class="identifier">namespace0</span><span class="special">)(</span><span class="identifier">namespace1</span><span class="special">)...</span></code>
declares the namespace for <code class="computeroutput"><span class="identifier">adapted_name</span></code>.
It yields to a fully qualified name for <code class="computeroutput"><span class="identifier">adapted_name</span></code>
of <code class="computeroutput"><span class="identifier">namespace0</span><span class="special">::</span><span class="identifier">namespace1</span><span class="special">::...</span>
<span class="identifier">adapted_name</span></code>. If an empty namespace
sequence is given (that is a macro that expands to nothing), the adapted
view is placed in the global namespace. If no namespace sequence is given
(i.e. <code class="computeroutput"><span class="identifier">BOOST_FUSION_ADAPT_STRUCT_ASSOC_NAMED</span></code>),
the adapted view is placed in the namespace <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">fusion</span><span class="special">::</span><span class="identifier">adapted</span></code>.
The sequence of <code class="computeroutput"><span class="special">(</span><span class="identifier">member_typeN</span><span class="special">,</span> <span class="identifier">member_nameN</span><span class="special">,</span> <span class="identifier">key_typeN</span><span class="special">)</span></code> triples declares the type, name and key
type of each of the struct members that are part of the sequence.
</p>
<p>
The macros should be used at global scope, and <code class="computeroutput"><span class="identifier">struct_name</span></code>
should be the fully namespace qualified name of the struct to be converted.
</p>
<a name="fusion.adapted.adapt_assoc_struct_named.header"></a><h5>
<a name="id934030"></a>
<a class="link" href="adapt_assoc_struct_named.html#fusion.adapted.adapt_assoc_struct_named.header">Header</a>
</h5>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">adapted</span><span class="special">/</span><span class="keyword">struct</span><span class="special">/</span><span class="identifier">adapt_assoc_struct_named</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">adapt_assoc_struct_named</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.adapted.adapt_assoc_struct_named.example"></a><h5>
<a name="id934145"></a>
<a class="link" href="adapt_assoc_struct_named.html#fusion.adapted.adapt_assoc_struct_named.example">Example</a>
</h5>
<pre class="programlisting"><span class="keyword">namespace</span> <span class="identifier">demo</span>
<span class="special">{</span>
<span class="keyword">struct</span> <span class="identifier">employee</span>
<span class="special">{</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="identifier">name</span><span class="special">;</span>
<span class="keyword">int</span> <span class="identifier">age</span><span class="special">;</span>
<span class="special">};</span>
<span class="special">}</span>
<span class="keyword">namespace</span> <span class="identifier">keys</span>
<span class="special">{</span>
<span class="keyword">struct</span> <span class="identifier">name</span><span class="special">;</span>
<span class="keyword">struct</span> <span class="identifier">age</span><span class="special">;</span>
<span class="special">}</span>
<span class="comment">// boost::fusion::adapted::adapted_employee is now a Fusion sequence
</span><span class="comment">// referring to demo::employee
</span><span class="identifier">BOOST_FUSION_ADAPT_ASSOC_STRUCT_NAMED</span><span class="special">(</span>
<span class="identifier">demo</span><span class="special">::</span><span class="identifier">employee</span><span class="special">,</span> <span class="identifier">adapted_employee</span><span class="special">,</span>
<span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">,</span> <span class="identifier">name</span><span class="special">,</span> <span class="identifier">keys</span><span class="special">::</span><span class="identifier">name</span><span class="special">)</span>
<span class="special">(</span><span class="keyword">int</span><span class="special">,</span> <span class="identifier">age</span><span class="special">,</span> <span class="identifier">keys</span><span class="special">::</span><span class="identifier">age</span><span class="special">))</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
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<div class="titlepage"><div><div><h3 class="title">
<a name="fusion.adapted.adapt_assoc_tpl_adt"></a><a class="link" href="adapt_assoc_tpl_adt.html" title="BOOST_FUSION_ADAPT_ASSOC_TPL_ADT">BOOST_FUSION_ADAPT_ASSOC_TPL_ADT</a>
</h3></div></div></div>
<p>
BOOST_FUSION_ADAPT_ASSOC_TPL_ADT is a macro than can be used to generate
all the necessary boilerplate to adapt an arbitrary template class type as
a model of <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a> and <a class="link" href="../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a>.
</p>
<a name="fusion.adapted.adapt_assoc_tpl_adt.synopsis"></a><h5>
<a name="id941316"></a>
<a class="link" href="adapt_assoc_tpl_adt.html#fusion.adapted.adapt_assoc_tpl_adt.synopsis">Synopsis</a>
</h5>
<pre class="programlisting"><span class="identifier">BOOST_FUSION_ADAPT_ASSOC_TPL_ADT</span><span class="special">(</span>
<span class="special">(</span><span class="identifier">template_param0</span><span class="special">)(</span><span class="identifier">template_param1</span><span class="special">)...,</span>
<span class="special">(</span><span class="identifier">type_name</span><span class="special">)</span> <span class="special">(</span><span class="identifier">specialization_param0</span><span class="special">)(</span><span class="identifier">specialization_param1</span><span class="special">)...,</span>
<span class="special">(</span><span class="identifier">attribute_type0</span><span class="special">,</span> <span class="identifier">attribute_const_type0</span><span class="special">,</span> <span class="identifier">get_expr0</span><span class="special">,</span> <span class="identifier">set_expr0</span><span class="special">,</span> <span class="identifier">key_type0</span><span class="special">)</span>
<span class="special">(</span><span class="identifier">attribute_type1</span><span class="special">,</span> <span class="identifier">attribute_const_type1</span><span class="special">,</span> <span class="identifier">get_expr1</span><span class="special">,</span> <span class="identifier">set_expr1</span><span class="special">,</span> <span class="identifier">key_type1</span><span class="special">)</span>
<span class="special">...</span>
<span class="special">)</span>
</pre>
<a name="fusion.adapted.adapt_assoc_tpl_adt.expression_semantics"></a><h5>
<a name="id941493"></a>
<a class="link" href="adapt_assoc_tpl_adt.html#fusion.adapted.adapt_assoc_tpl_adt.expression_semantics">Expression
Semantics</a>
</h5>
<p>
The above macro generates the necessary code to adapt <code class="computeroutput"><span class="identifier">type_name</span></code>
or an arbitrary specialization of <code class="computeroutput"><span class="identifier">type_name</span></code>
as a model of <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a> and <a class="link" href="../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a>. The sequence <code class="computeroutput"><span class="special">(</span><span class="identifier">template_param0</span><span class="special">)(</span><span class="identifier">template_param1</span><span class="special">)...</span></code>
declares the names of the template type parameters used. The sequence <code class="computeroutput"><span class="special">(</span><span class="identifier">specialization_param0</span><span class="special">)(</span><span class="identifier">specialization_param1</span><span class="special">)...</span></code> declares the template parameters of the
actual specialization of <code class="computeroutput"><span class="identifier">type_name</span></code>
that is adapted as a fusion sequence. The sequence of <code class="literal">(attribute_type<span class="emphasis"><em>N</em></span>,
attribute_const_type<span class="emphasis"><em>N</em></span>, get_expr<span class="emphasis"><em>N</em></span>,
set_expr<span class="emphasis"><em>N</em></span>, key_type<span class="emphasis"><em>N</em></span>)</code>
5-tuples declares the types, const types, get-expressions, set-expressions
and key types of the elements that are part of the adapted fusion sequence.
<code class="literal">get_expr<span class="emphasis"><em>N</em></span></code> is the expression that
is invoked to get the <span class="emphasis"><em>N</em></span>th element of an instance of
<code class="computeroutput"><span class="identifier">type_name</span></code>. This expression
may access a variable named <code class="computeroutput"><span class="identifier">obj</span></code>
of type <code class="computeroutput"><span class="identifier">type_name</span><span class="special">&amp;</span></code>
or <code class="computeroutput"><span class="identifier">type_name</span> <span class="keyword">const</span><span class="special">&amp;</span></code> which represents the underlying instance
of <code class="computeroutput"><span class="identifier">type_name</span></code>. <code class="literal">attribute_type<span class="emphasis"><em>N</em></span></code>
and <code class="literal">attribute_const_type<span class="emphasis"><em>N</em></span></code> may specify
the types that <code class="literal">get_expr<span class="emphasis"><em>N</em></span></code> denotes
to. <code class="literal">set_expr<span class="emphasis"><em>N</em></span></code> is the expression that
is invoked to set the <span class="emphasis"><em>N</em></span>th element of an instance of
<code class="computeroutput"><span class="identifier">type_name</span></code>. This expression
may access variables named <code class="computeroutput"><span class="identifier">obj</span></code>
of type <code class="computeroutput"><span class="identifier">type_name</span><span class="special">&amp;</span></code>,
which represent the corresponding instance of <code class="computeroutput"><span class="identifier">type_name</span></code>,
and <code class="computeroutput"><span class="identifier">val</span></code> of an arbitrary const-qualified
reference template type parameter <code class="computeroutput"><span class="identifier">Val</span></code>,
which represents the right operand of the assignment expression.
</p>
<p>
The actual return type of fusion's intrinsic sequence access (meta-)functions
when in invoked with (an instance of) <code class="computeroutput"><span class="identifier">type_name</span></code>
is a proxy type. This type is implicitly convertible to the attribute type
via <code class="literal">get_expr<span class="emphasis"><em>N</em></span></code> and forwards assignment
to the underlying element via <code class="literal">set_expr<span class="emphasis"><em>N</em></span></code>.
The value type (that is the type returned by <a class="link" href="../iterator/metafunctions/value_of.html" title="value_of"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">value_of</span></code></a>, <a class="link" href="../iterator/metafunctions/value_of_data.html" title="value_of_data"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">value_of_data</span></code></a>, <a class="link" href="../sequence/intrinsic/metafunctions/value_at.html" title="value_at"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">value_at</span></code></a>, <a class="link" href="../sequence/intrinsic/metafunctions/value_at_c.html" title="value_at_c"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">value_at_c</span></code></a> and <a class="link" href="../sequence/intrinsic/metafunctions/value_at_key.html" title="value_at_key"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">value_at_key</span></code></a>) of the <span class="emphasis"><em>N</em></span>th
element is <code class="literal">attribute_type<span class="emphasis"><em>N</em></span></code> with const-qualifier
and reference removed.
</p>
<p>
The macro should be used at global scope, and <code class="computeroutput"><span class="identifier">type_name</span></code>
should be the fully namespace qualified name of the template class type to
be adapted.
</p>
<a name="fusion.adapted.adapt_assoc_tpl_adt.header"></a><h5>
<a name="id941882"></a>
<a class="link" href="adapt_assoc_tpl_adt.html#fusion.adapted.adapt_assoc_tpl_adt.header">Header</a>
</h5>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">adapted</span><span class="special">/</span><span class="identifier">adt</span><span class="special">/</span><span class="identifier">adapt_assoc_adt</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">adapt_assoc_adt</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.adapted.adapt_assoc_tpl_adt.example"></a><h5>
<a name="id941997"></a>
<a class="link" href="adapt_assoc_tpl_adt.html#fusion.adapted.adapt_assoc_tpl_adt.example">Example</a>
</h5>
<pre class="programlisting"><span class="keyword">namespace</span> <span class="identifier">demo</span>
<span class="special">{</span>
<span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> <span class="identifier">Name</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">Age</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">employee</span>
<span class="special">{</span>
<span class="keyword">private</span><span class="special">:</span>
<span class="identifier">Name</span> <span class="identifier">name</span><span class="special">;</span>
<span class="identifier">Age</span> <span class="identifier">age</span><span class="special">;</span>
<span class="keyword">public</span><span class="special">:</span>
<span class="keyword">void</span> <span class="identifier">set_name</span><span class="special">(</span><span class="identifier">Name</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">n</span><span class="special">)</span>
<span class="special">{</span>
<span class="identifier">name</span><span class="special">=</span><span class="identifier">n</span><span class="special">;</span>
<span class="special">}</span>
<span class="keyword">void</span> <span class="identifier">set_age</span><span class="special">(</span><span class="identifier">Age</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">a</span><span class="special">)</span>
<span class="special">{</span>
<span class="identifier">age</span><span class="special">=</span><span class="identifier">a</span><span class="special">;</span>
<span class="special">}</span>
<span class="identifier">Name</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">get_name</span><span class="special">()</span><span class="keyword">const</span>
<span class="special">{</span>
<span class="keyword">return</span> <span class="identifier">name</span><span class="special">;</span>
<span class="special">}</span>
<span class="identifier">Age</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">get_age</span><span class="special">()</span><span class="keyword">const</span>
<span class="special">{</span>
<span class="keyword">return</span> <span class="identifier">age</span><span class="special">;</span>
<span class="special">}</span>
<span class="special">};</span>
<span class="special">}</span>
<span class="keyword">namespace</span> <span class="identifier">keys</span>
<span class="special">{</span>
<span class="keyword">struct</span> <span class="identifier">name</span><span class="special">;</span>
<span class="keyword">struct</span> <span class="identifier">age</span><span class="special">;</span>
<span class="special">}</span>
<span class="identifier">BOOST_FUSION_ADAPT_ASSOC_TPL_ADT</span><span class="special">(</span>
<span class="special">(</span><span class="identifier">Name</span><span class="special">)(</span><span class="identifier">Age</span><span class="special">),</span>
<span class="special">(</span><span class="identifier">demo</span><span class="special">::</span><span class="identifier">employee</span><span class="special">)</span> <span class="special">(</span><span class="identifier">Name</span><span class="special">)(</span><span class="identifier">Age</span><span class="special">),</span>
<span class="special">(</span><span class="identifier">Name</span> <span class="keyword">const</span><span class="special">&amp;,</span> <span class="identifier">Name</span> <span class="keyword">const</span><span class="special">&amp;,</span> <span class="identifier">obj</span><span class="special">.</span><span class="identifier">get_name</span><span class="special">(),</span> <span class="identifier">obj</span><span class="special">.</span><span class="identifier">set_name</span><span class="special">(</span><span class="identifier">val</span><span class="special">),</span> <span class="identifier">keys</span><span class="special">::</span><span class="identifier">name</span><span class="special">)</span>
<span class="special">(</span><span class="identifier">Age</span> <span class="keyword">const</span><span class="special">&amp;,</span> <span class="identifier">Age</span> <span class="keyword">const</span><span class="special">&amp;,</span> <span class="identifier">obj</span><span class="special">.</span><span class="identifier">get_age</span><span class="special">(),</span> <span class="identifier">obj</span><span class="special">.</span><span class="identifier">set_age</span><span class="special">(</span><span class="identifier">val</span><span class="special">),</span> <span class="identifier">keys</span><span class="special">::</span><span class="identifier">age</span><span class="special">))</span>
<span class="identifier">demo</span><span class="special">::</span><span class="identifier">employee</span><span class="special">&lt;</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">,</span> <span class="keyword">int</span><span class="special">&gt;</span> <span class="identifier">e</span><span class="special">;</span>
<span class="identifier">at_key</span><span class="special">&lt;</span><span class="identifier">keys</span><span class="special">::</span><span class="identifier">name</span><span class="special">&gt;(</span><span class="identifier">e</span><span class="special">)=</span><span class="string">"Edward Norton"</span><span class="special">;</span>
<span class="identifier">at_key</span><span class="special">&lt;</span><span class="identifier">keys</span><span class="special">::</span><span class="identifier">age</span><span class="special">&gt;(</span><span class="identifier">e</span><span class="special">)=</span><span class="number">41</span><span class="special">;</span>
<span class="comment">//Prints 'Edward Norton is 41 years old'
</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="identifier">e</span><span class="special">.</span><span class="identifier">get_name</span><span class="special">()</span> <span class="special">&lt;&lt;</span> <span class="string">" is "</span> <span class="special">&lt;&lt;</span> <span class="identifier">e</span><span class="special">.</span><span class="identifier">get_age</span><span class="special">()</span> <span class="special">&lt;&lt;</span> <span class="string">" years old"</span> <span class="special">&lt;&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
</pre>
<a name="fusion.adapted.adapt_assoc_tpl_adt.see_also"></a><h5>
<a name="id942860"></a>
<a class="link" href="adapt_assoc_tpl_adt.html#fusion.adapted.adapt_assoc_tpl_adt.see_also">See also</a>
</h5>
<p>
<a class="link" href="../notes.html#fusion.notes.adt_attribute_proxy"><code class="computeroutput"><span class="identifier">adt_attribute_proxy</span></code></a>
</p>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
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<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="fusion.adapted.adapt_assoc_tpl_struct"></a><a class="link" href="adapt_assoc_tpl_struct.html" title="BOOST_FUSION_ADAPT_ASSOC_TPL_STRUCT">BOOST_FUSION_ADAPT_ASSOC_TPL_STRUCT</a>
</h3></div></div></div>
<a name="fusion.adapted.adapt_assoc_tpl_struct.description"></a><h5>
<a name="id929588"></a>
<a class="link" href="adapt_assoc_tpl_struct.html#fusion.adapted.adapt_assoc_tpl_struct.description">Description</a>
</h5>
<p>
BOOST_FUSION_ADAPT_ASSOC_TPL_STRUCT is a macro that can be used to generate
all the necessary boilerplate to make an arbitrary template struct a model
of <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a> and <a class="link" href="../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a>.
</p>
<a name="fusion.adapted.adapt_assoc_tpl_struct.synopsis"></a><h5>
<a name="id929615"></a>
<a class="link" href="adapt_assoc_tpl_struct.html#fusion.adapted.adapt_assoc_tpl_struct.synopsis">Synopsis</a>
</h5>
<pre class="programlisting"><span class="identifier">BOOST_FUSION_ADAPT_ASSOC_TPL_STRUCT</span><span class="special">(</span>
<span class="special">(</span><span class="identifier">template_param0</span><span class="special">)(</span><span class="identifier">template_param1</span><span class="special">)...,</span>
<span class="special">(</span><span class="identifier">struct_name</span><span class="special">)</span> <span class="special">(</span><span class="identifier">specialization_param0</span><span class="special">)(</span><span class="identifier">specialization_param1</span><span class="special">)...,</span>
<span class="special">(</span><span class="identifier">member_type0</span><span class="special">,</span> <span class="identifier">member_name0</span><span class="special">,</span> <span class="identifier">key_type0</span><span class="special">)</span>
<span class="special">(</span><span class="identifier">member_type1</span><span class="special">,</span> <span class="identifier">member_name1</span><span class="special">,</span> <span class="identifier">key_type1</span><span class="special">)</span>
<span class="special">...</span>
<span class="special">)</span>
</pre>
<a name="fusion.adapted.adapt_assoc_tpl_struct.semantics"></a><h5>
<a name="id929757"></a>
<a class="link" href="adapt_assoc_tpl_struct.html#fusion.adapted.adapt_assoc_tpl_struct.semantics">Semantics</a>
</h5>
<p>
The above macro generates the necessary code to adapt <code class="computeroutput"><span class="identifier">struct_name</span></code>
or an arbitrary specialization of <code class="computeroutput"><span class="identifier">struct_name</span></code>
as a model of <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a> and <a class="link" href="../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a>. The sequence <code class="computeroutput"><span class="special">(</span><span class="identifier">template_param0</span><span class="special">)(</span><span class="identifier">template_param1</span><span class="special">)...</span></code>
declares the names of the template type parameters used. The sequence <code class="computeroutput"><span class="special">(</span><span class="identifier">specialization_param0</span><span class="special">)(</span><span class="identifier">specialization_param1</span><span class="special">)...</span></code> declares the template parameters of the
actual specialization of <code class="computeroutput"><span class="identifier">struct_name</span></code>
that is adapted as a fusion sequence. The sequence of <code class="computeroutput"><span class="special">(</span><span class="identifier">member_typeN</span><span class="special">,</span>
<span class="identifier">member_nameN</span><span class="special">,</span>
<span class="identifier">key_typeN</span><span class="special">)</span></code>
triples declares the type, name and key type of each of the struct members
that are part of the sequence.
</p>
<p>
The macro should be used at global scope, and <code class="computeroutput"><span class="identifier">struct_name</span></code>
should be the fully namespace qualified name of the struct to be adapted.
</p>
<a name="fusion.adapted.adapt_assoc_tpl_struct.header"></a><h5>
<a name="id929893"></a>
<a class="link" href="adapt_assoc_tpl_struct.html#fusion.adapted.adapt_assoc_tpl_struct.header">Header</a>
</h5>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">adapted</span><span class="special">/</span><span class="keyword">struct</span><span class="special">/</span><span class="identifier">adapt_assoc_struct</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">adapt_assoc_struct</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.adapted.adapt_assoc_tpl_struct.example"></a><h5>
<a name="id930008"></a>
<a class="link" href="adapt_assoc_tpl_struct.html#fusion.adapted.adapt_assoc_tpl_struct.example">Example</a>
</h5>
<pre class="programlisting"><span class="keyword">namespace</span> <span class="identifier">demo</span>
<span class="special">{</span>
<span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> <span class="identifier">Name</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">Age</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">employee</span>
<span class="special">{</span>
<span class="identifier">Name</span> <span class="identifier">name</span><span class="special">;</span>
<span class="identifier">Age</span> <span class="identifier">age</span><span class="special">;</span>
<span class="special">};</span>
<span class="special">}</span>
<span class="keyword">namespace</span> <span class="identifier">keys</span>
<span class="special">{</span>
<span class="keyword">struct</span> <span class="identifier">name</span><span class="special">;</span>
<span class="keyword">struct</span> <span class="identifier">age</span><span class="special">;</span>
<span class="special">}</span>
<span class="comment">// Any instantiated demo::employee is now a Fusion sequence.
</span><span class="comment">// It is also an associative sequence with
</span><span class="comment">// keys keys::name and keys::age present.
</span><span class="identifier">BOOST_FUSION_ADAPT_ASSOC_TPL_STRUCT</span><span class="special">(</span>
<span class="special">(</span><span class="identifier">Name</span><span class="special">)(</span><span class="identifier">Age</span><span class="special">),</span>
<span class="special">(</span><span class="identifier">demo</span><span class="special">::</span><span class="identifier">employee</span><span class="special">)</span> <span class="special">(</span><span class="identifier">Name</span><span class="special">)(</span><span class="identifier">Age</span><span class="special">),</span>
<span class="special">(</span><span class="identifier">Name</span><span class="special">,</span> <span class="identifier">name</span><span class="special">,</span> <span class="identifier">keys</span><span class="special">::</span><span class="identifier">name</span><span class="special">)</span>
<span class="special">(</span><span class="identifier">Age</span><span class="special">,</span> <span class="identifier">age</span><span class="special">,</span> <span class="identifier">keys</span><span class="special">::</span><span class="identifier">age</span><span class="special">))</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
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<a name="fusion.adapted.adapt_struct"></a><a class="link" href="adapt_struct.html" title="BOOST_FUSION_ADAPT_STRUCT">BOOST_FUSION_ADAPT_STRUCT</a>
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<a name="fusion.adapted.adapt_struct.description"></a><h5>
<a name="id927254"></a>
<a class="link" href="adapt_struct.html#fusion.adapted.adapt_struct.description">Description</a>
</h5>
<p>
BOOST_FUSION_ADAPT_STRUCT is a macro that can be used to generate all the
necessary boilerplate to make an arbitrary struct a model of <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a>.
</p>
<a name="fusion.adapted.adapt_struct.synopsis"></a><h5>
<a name="id927275"></a>
<a class="link" href="adapt_struct.html#fusion.adapted.adapt_struct.synopsis">Synopsis</a>
</h5>
<pre class="programlisting"><span class="identifier">BOOST_FUSION_ADAPT_STRUCT</span><span class="special">(</span>
<span class="identifier">struct_name</span><span class="special">,</span>
<span class="special">(</span><span class="identifier">member_type0</span><span class="special">,</span> <span class="identifier">member_name0</span><span class="special">)</span>
<span class="special">(</span><span class="identifier">member_type1</span><span class="special">,</span> <span class="identifier">member_name1</span><span class="special">)</span>
<span class="special">...</span>
<span class="special">)</span>
</pre>
<a name="fusion.adapted.adapt_struct.semantics"></a><h5>
<a name="id927359"></a>
<a class="link" href="adapt_struct.html#fusion.adapted.adapt_struct.semantics">Semantics</a>
</h5>
<p>
The above macro generates the necessary code to adapt <code class="computeroutput"><span class="identifier">struct_name</span></code>
as a model of <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a>. The sequence of <code class="computeroutput"><span class="special">(</span><span class="identifier">member_typeN</span><span class="special">,</span>
<span class="identifier">member_nameN</span><span class="special">)</span></code>
pairs declares the type and names of each of the struct members that are
part of the sequence.
</p>
<p>
The macro should be used at global scope, and <code class="computeroutput"><span class="identifier">struct_name</span></code>
should be the fully namespace qualified name of the struct to be adapted.
</p>
<a name="fusion.adapted.adapt_struct.header"></a><h5>
<a name="id927423"></a>
<a class="link" href="adapt_struct.html#fusion.adapted.adapt_struct.header">Header</a>
</h5>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">adapted</span><span class="special">/</span><span class="keyword">struct</span><span class="special">/</span><span class="identifier">adapt_struct</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">adapt_struct</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.adapted.adapt_struct.example"></a><h5>
<a name="id927538"></a>
<a class="link" href="adapt_struct.html#fusion.adapted.adapt_struct.example">Example</a>
</h5>
<pre class="programlisting"><span class="keyword">namespace</span> <span class="identifier">demo</span>
<span class="special">{</span>
<span class="keyword">struct</span> <span class="identifier">employee</span>
<span class="special">{</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="identifier">name</span><span class="special">;</span>
<span class="keyword">int</span> <span class="identifier">age</span><span class="special">;</span>
<span class="special">};</span>
<span class="special">}</span>
<span class="comment">// demo::employee is now a Fusion sequence
</span><span class="identifier">BOOST_FUSION_ADAPT_STRUCT</span><span class="special">(</span>
<span class="identifier">demo</span><span class="special">::</span><span class="identifier">employee</span><span class="special">,</span>
<span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">,</span> <span class="identifier">name</span><span class="special">)</span>
<span class="special">(</span><span class="keyword">int</span><span class="special">,</span> <span class="identifier">age</span><span class="special">))</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
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<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="fusion.adapted.adapt_struct_named"></a><a class="link" href="adapt_struct_named.html" title="BOOST_FUSION_ADAPT_STRUCT_NAMED">BOOST_FUSION_ADAPT_STRUCT_NAMED</a>
</h3></div></div></div>
<a name="fusion.adapted.adapt_struct_named.description"></a><h5>
<a name="id928337"></a>
<a class="link" href="adapt_struct_named.html#fusion.adapted.adapt_struct_named.description">Description</a>
</h5>
<p>
BOOST_FUSION_ADAPT_STRUCT_NAMED and BOOST_FUSION_ADAPT_STRUCT_NAMED_NS are
macros that can be used to generate all the necessary boilerplate to make
an arbitrary struct a model of <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a>. The given struct is adapted using the given name.
</p>
<a name="fusion.adapted.adapt_struct_named.synopsis"></a><h5>
<a name="id928359"></a>
<a class="link" href="adapt_struct_named.html#fusion.adapted.adapt_struct_named.synopsis">Synopsis</a>
</h5>
<pre class="programlisting"><span class="identifier">BOOST_FUSION_ADAPT_STRUCT_NAMED</span><span class="special">(</span>
<span class="identifier">struct_name</span><span class="special">,</span> <span class="identifier">adapted_name</span><span class="special">,</span>
<span class="special">(</span><span class="identifier">member_type0</span><span class="special">,</span> <span class="identifier">member_name0</span><span class="special">)</span>
<span class="special">(</span><span class="identifier">member_type1</span><span class="special">,</span> <span class="identifier">member_name1</span><span class="special">)</span>
<span class="special">...</span>
<span class="special">)</span>
<span class="identifier">BOOST_FUSION_ADAPT_STRUCT_NAMED_NS</span><span class="special">(</span>
<span class="identifier">struct_name</span><span class="special">,</span>
<span class="special">(</span><span class="identifier">namespace0</span><span class="special">)(</span><span class="identifier">namespace1</span><span class="special">)...,</span>
<span class="identifier">adapted_name</span><span class="special">,</span>
<span class="special">(</span><span class="identifier">member_type0</span><span class="special">,</span> <span class="identifier">member_name0</span><span class="special">)</span>
<span class="special">(</span><span class="identifier">member_type1</span><span class="special">,</span> <span class="identifier">member_name1</span><span class="special">)</span>
<span class="special">...</span>
<span class="special">)</span>
</pre>
<a name="fusion.adapted.adapt_struct_named.semantics"></a><h5>
<a name="id928547"></a>
<a class="link" href="adapt_struct_named.html#fusion.adapted.adapt_struct_named.semantics">Semantics</a>
</h5>
<p>
The above macros generate the necessary code to adapt <code class="computeroutput"><span class="identifier">struct_name</span></code>
as a model of <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a> while using <code class="computeroutput"><span class="identifier">adapted_name</span></code>
as the name of the adapted struct. The sequence <code class="computeroutput"><span class="special">(</span><span class="identifier">namespace0</span><span class="special">)(</span><span class="identifier">namespace1</span><span class="special">)...</span></code>
declares the namespace for <code class="computeroutput"><span class="identifier">adapted_name</span></code>.
It yields to a fully qualified name for <code class="computeroutput"><span class="identifier">adapted_name</span></code>
of <code class="computeroutput"><span class="identifier">namespace0</span><span class="special">::</span><span class="identifier">namespace1</span><span class="special">::...</span>
<span class="identifier">adapted_name</span></code>. If an empty namespace
sequence is given (that is a macro that expands to nothing), the adapted
view is placed in the global namespace. If no namespace sequence is given
(i.e. <code class="computeroutput"><span class="identifier">BOOST_FUSION_ADAPT_STRUCT_NAMED</span></code>),
the adapted view is placed in the namespace <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">fusion</span><span class="special">::</span><span class="identifier">adapted</span></code>.
The sequence of <code class="computeroutput"><span class="special">(</span><span class="identifier">member_typeN</span><span class="special">,</span> <span class="identifier">member_nameN</span><span class="special">)</span></code> pairs declares the type and names of each
of the struct members that are part of the sequence.
</p>
<p>
The macros should be used at global scope, and <code class="computeroutput"><span class="identifier">struct_name</span></code>
should be the fully namespace qualified name of the struct to be converted.
</p>
<a name="fusion.adapted.adapt_struct_named.header"></a><h5>
<a name="id928707"></a>
<a class="link" href="adapt_struct_named.html#fusion.adapted.adapt_struct_named.header">Header</a>
</h5>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">adapted</span><span class="special">/</span><span class="keyword">struct</span><span class="special">/</span><span class="identifier">adapt_struct_named</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">adapt_struct_named</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.adapted.adapt_struct_named.example"></a><h5>
<a name="id928823"></a>
<a class="link" href="adapt_struct_named.html#fusion.adapted.adapt_struct_named.example">Example</a>
</h5>
<pre class="programlisting"><span class="keyword">namespace</span> <span class="identifier">demo</span>
<span class="special">{</span>
<span class="keyword">struct</span> <span class="identifier">employee</span>
<span class="special">{</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="identifier">name</span><span class="special">;</span>
<span class="keyword">int</span> <span class="identifier">age</span><span class="special">;</span>
<span class="special">};</span>
<span class="special">}</span>
<span class="comment">// boost::fusion::adapted::adapted_employee is now a Fusion sequence
</span><span class="comment">// referring to demo::employee
</span><span class="identifier">BOOST_FUSION_ADAPT_STRUCT_NAMED</span><span class="special">(</span>
<span class="identifier">demo</span><span class="special">::</span><span class="identifier">employee</span><span class="special">,</span> <span class="identifier">adapted_employee</span><span class="special">,</span>
<span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">,</span> <span class="identifier">name</span><span class="special">)</span>
<span class="special">(</span><span class="keyword">int</span><span class="special">,</span> <span class="identifier">age</span><span class="special">))</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
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<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="fusion.adapted.adapt_tpl_adt"></a><a class="link" href="adapt_tpl_adt.html" title="BOOST_FUSION_ADAPT_TPL_ADT">BOOST_FUSION_ADAPT_TPL_ADT</a>
</h3></div></div></div>
<p>
BOOST_FUSION_ADAPT_TPL_ADT is a macro than can be used to generate all the
necessary boilerplate to adapt an arbitrary template class type as a model
of <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a>.
</p>
<a name="fusion.adapted.adapt_tpl_adt.synopsis"></a><h5>
<a name="id936721"></a>
<a class="link" href="adapt_tpl_adt.html#fusion.adapted.adapt_tpl_adt.synopsis">Synopsis</a>
</h5>
<pre class="programlisting"><span class="identifier">BOOST_FUSION_ADAPT_ADT</span><span class="special">(</span>
<span class="special">(</span><span class="identifier">template_param0</span><span class="special">)(</span><span class="identifier">template_param1</span><span class="special">)...,</span>
<span class="special">(</span><span class="identifier">type_name</span><span class="special">)</span> <span class="special">(</span><span class="identifier">specialization_param0</span><span class="special">)(</span><span class="identifier">specialization_param1</span><span class="special">)...,</span>
<span class="special">(</span><span class="identifier">attribute_type0</span><span class="special">,</span> <span class="identifier">attribute_const_type0</span><span class="special">,</span> <span class="identifier">get_expr0</span><span class="special">,</span> <span class="identifier">set_expr0</span><span class="special">)</span>
<span class="special">(</span><span class="identifier">attribute_type1</span><span class="special">,</span> <span class="identifier">attribute_const_type1</span><span class="special">,</span> <span class="identifier">get_expr1</span><span class="special">,</span> <span class="identifier">set_expr1</span><span class="special">)</span>
<span class="special">...</span>
<span class="special">)</span>
</pre>
<a name="fusion.adapted.adapt_tpl_adt.expression_semantics"></a><h5>
<a name="id936881"></a>
<a class="link" href="adapt_tpl_adt.html#fusion.adapted.adapt_tpl_adt.expression_semantics">Expression
Semantics</a>
</h5>
<p>
The above macro generates the necessary code to adapt <code class="computeroutput"><span class="identifier">type_name</span></code>
or an arbitrary specialization of <code class="computeroutput"><span class="identifier">type_name</span></code>
as a model of <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a>. The sequence <code class="computeroutput"><span class="special">(</span><span class="identifier">template_param0</span><span class="special">)(</span><span class="identifier">template_param1</span><span class="special">)...</span></code>
declares the names of the template type parameters used. The sequence <code class="computeroutput"><span class="special">(</span><span class="identifier">specialization_param0</span><span class="special">)(</span><span class="identifier">specialization_param1</span><span class="special">)...</span></code> declares the template parameters of the
actual specialization of <code class="computeroutput"><span class="identifier">type_name</span></code>
that is adapted as a fusion sequence. The sequence of <code class="literal">(attribute_type<span class="emphasis"><em>N</em></span>,
attribute_const_type<span class="emphasis"><em>N</em></span>, get_expr<span class="emphasis"><em>N</em></span>,
set_expr<span class="emphasis"><em>N</em></span>)</code> quadruples declares the types,
const types, get-expressions and set-expressions of the elements that are
part of the adapted fusion sequence. <code class="literal">get_expr<span class="emphasis"><em>N</em></span></code>
is the expression that is invoked to get the <span class="emphasis"><em>N</em></span>th element
of an instance of <code class="computeroutput"><span class="identifier">type_name</span></code>.
This expression may access a variable named <code class="computeroutput"><span class="identifier">obj</span></code>
of type <code class="computeroutput"><span class="identifier">type_name</span><span class="special">&amp;</span></code>
or <code class="computeroutput"><span class="identifier">type_name</span> <span class="keyword">const</span><span class="special">&amp;</span></code> which represents the underlying instance
of <code class="computeroutput"><span class="identifier">type_name</span></code>. <code class="literal">attribute_type<span class="emphasis"><em>N</em></span></code>
and <code class="literal">attribute_const_type<span class="emphasis"><em>N</em></span></code> may specify
the types that <code class="literal">get_expr<span class="emphasis"><em>N</em></span></code> denotes
to. <code class="literal">set_expr<span class="emphasis"><em>N</em></span></code> is the expression that
is invoked to set the <span class="emphasis"><em>N</em></span>th element of an instance of
<code class="computeroutput"><span class="identifier">type_name</span></code>. This expression
may access variables named <code class="computeroutput"><span class="identifier">obj</span></code>
of type <code class="computeroutput"><span class="identifier">type_name</span><span class="special">&amp;</span></code>,
which represent the corresponding instance of <code class="computeroutput"><span class="identifier">type_name</span></code>,
and <code class="computeroutput"><span class="identifier">val</span></code> of an arbitrary const-qualified
reference template type parameter <code class="computeroutput"><span class="identifier">Val</span></code>,
which represents the right operand of the assignment expression.
</p>
<p>
The actual return type of fusion's intrinsic sequence access (meta-)functions
when in invoked with (an instance of) <code class="computeroutput"><span class="identifier">type_name</span></code>
is a proxy type. This type is implicitly convertible to the attribute type
via <code class="literal">get_expr<span class="emphasis"><em>N</em></span></code> and forwards assignment
to the underlying element via <code class="literal">set_expr<span class="emphasis"><em>N</em></span></code>.
The value type (that is the type returned by <a class="link" href="../iterator/metafunctions/value_of.html" title="value_of"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">value_of</span></code></a>, <a class="link" href="../sequence/intrinsic/metafunctions/value_at.html" title="value_at"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">value_at</span></code></a> and <a class="link" href="../sequence/intrinsic/metafunctions/value_at_c.html" title="value_at_c"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">value_at_c</span></code></a>) of the <span class="emphasis"><em>N</em></span>th
element is <code class="literal">attribute_type<span class="emphasis"><em>N</em></span></code> with const-qualifier
and reference removed.
</p>
<p>
The macro should be used at global scope, and <code class="computeroutput"><span class="identifier">type_name</span></code>
should be the fully namespace qualified name of the template class type to
be adapted.
</p>
<a name="fusion.adapted.adapt_tpl_adt.header"></a><h5>
<a name="id937227"></a>
<a class="link" href="adapt_tpl_adt.html#fusion.adapted.adapt_tpl_adt.header">Header</a>
</h5>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">adapted</span><span class="special">/</span><span class="identifier">adt</span><span class="special">/</span><span class="identifier">adapt_adt</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">adapt_adt</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.adapted.adapt_tpl_adt.example"></a><h5>
<a name="id937343"></a>
<a class="link" href="adapt_tpl_adt.html#fusion.adapted.adapt_tpl_adt.example">Example</a>
</h5>
<pre class="programlisting"> <span class="keyword">namespace</span> <span class="identifier">demo</span>
<span class="special">{</span>
<span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> <span class="identifier">Name</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">Age</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">employee</span>
<span class="special">{</span>
<span class="keyword">private</span><span class="special">:</span>
<span class="identifier">Name</span> <span class="identifier">name</span><span class="special">;</span>
<span class="identifier">Age</span> <span class="identifier">age</span><span class="special">;</span>
<span class="keyword">public</span><span class="special">:</span>
<span class="keyword">void</span> <span class="identifier">set_name</span><span class="special">(</span><span class="identifier">Name</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">n</span><span class="special">)</span>
<span class="special">{</span>
<span class="identifier">name</span><span class="special">=</span><span class="identifier">n</span><span class="special">;</span>
<span class="special">}</span>
<span class="keyword">void</span> <span class="identifier">set_age</span><span class="special">(</span><span class="identifier">Age</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">a</span><span class="special">)</span>
<span class="special">{</span>
<span class="identifier">age</span><span class="special">=</span><span class="identifier">a</span><span class="special">;</span>
<span class="special">}</span>
<span class="identifier">Name</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">get_name</span><span class="special">()</span><span class="keyword">const</span>
<span class="special">{</span>
<span class="keyword">return</span> <span class="identifier">name</span><span class="special">;</span>
<span class="special">}</span>
<span class="identifier">Age</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">get_age</span><span class="special">()</span><span class="keyword">const</span>
<span class="special">{</span>
<span class="keyword">return</span> <span class="identifier">age</span><span class="special">;</span>
<span class="special">}</span>
<span class="special">};</span>
<span class="special">}</span>
<span class="identifier">BOOST_FUSION_ADAPT_TPL_ADT</span><span class="special">(</span>
<span class="special">(</span><span class="identifier">Name</span><span class="special">)(</span><span class="identifier">Age</span><span class="special">),</span>
<span class="special">(</span><span class="identifier">demo</span><span class="special">::</span><span class="identifier">employee</span><span class="special">)</span> <span class="special">(</span><span class="identifier">Name</span><span class="special">)(</span><span class="identifier">Age</span><span class="special">),</span>
<span class="special">(</span><span class="identifier">Name</span> <span class="keyword">const</span><span class="special">&amp;,</span> <span class="identifier">Name</span> <span class="keyword">const</span><span class="special">&amp;,</span> <span class="identifier">obj</span><span class="special">.</span><span class="identifier">get_name</span><span class="special">(),</span> <span class="identifier">obj</span><span class="special">.</span><span class="identifier">set_name</span><span class="special">(</span><span class="identifier">val</span><span class="special">))</span>
<span class="special">(</span><span class="identifier">Age</span> <span class="keyword">const</span><span class="special">&amp;,</span> <span class="identifier">Age</span> <span class="keyword">const</span><span class="special">&amp;,</span> <span class="identifier">obj</span><span class="special">.</span><span class="identifier">get_age</span><span class="special">(),</span> <span class="identifier">obj</span><span class="special">.</span><span class="identifier">set_age</span><span class="special">(</span><span class="identifier">val</span><span class="special">)))</span>
<span class="identifier">demo</span><span class="special">::</span><span class="identifier">employee</span><span class="special">&lt;</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">,</span> <span class="keyword">int</span><span class="special">&gt;</span> <span class="identifier">e</span><span class="special">;</span>
<span class="identifier">boost</span><span class="special">::</span><span class="identifier">fusion</span><span class="special">::</span><span class="identifier">front</span><span class="special">(</span><span class="identifier">e</span><span class="special">)=</span><span class="string">"Edward Norton"</span><span class="special">;</span>
<span class="identifier">boost</span><span class="special">::</span><span class="identifier">fusion</span><span class="special">::</span><span class="identifier">back</span><span class="special">(</span><span class="identifier">e</span><span class="special">)=</span><span class="number">41</span><span class="special">;</span>
<span class="comment">//Prints 'Edward Norton is 41 years old'
</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="identifier">e</span><span class="special">.</span><span class="identifier">get_name</span><span class="special">()</span> <span class="special">&lt;&lt;</span> <span class="string">" is "</span> <span class="special">&lt;&lt;</span> <span class="identifier">e</span><span class="special">.</span><span class="identifier">get_age</span><span class="special">()</span> <span class="special">&lt;&lt;</span> <span class="string">" years old"</span> <span class="special">&lt;&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
</pre>
<a name="fusion.adapted.adapt_tpl_adt.see_also"></a><h5>
<a name="id938111"></a>
<a class="link" href="adapt_tpl_adt.html#fusion.adapted.adapt_tpl_adt.see_also">See also</a>
</h5>
<p>
<a class="link" href="../notes.html#fusion.notes.adt_attribute_proxy"><code class="computeroutput"><span class="identifier">adt_attribute_proxy</span></code></a>
</p>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
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<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="fusion.adapted.adapt_tpl_struct"></a><a class="link" href="adapt_tpl_struct.html" title="BOOST_FUSION_ADAPT_TPL_STRUCT">BOOST_FUSION_ADAPT_TPL_STRUCT</a>
</h3></div></div></div>
<a name="fusion.adapted.adapt_tpl_struct.description"></a><h5>
<a name="id927713"></a>
<a class="link" href="adapt_tpl_struct.html#fusion.adapted.adapt_tpl_struct.description">Description</a>
</h5>
<p>
BOOST_FUSION_ADAPT_TPL_STRUCT is a macro that can be used to generate all
the necessary boilerplate to make an arbitrary template struct a model of
<a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random Access
Sequence</a>.
</p>
<a name="fusion.adapted.adapt_tpl_struct.synopsis"></a><h5>
<a name="id927735"></a>
<a class="link" href="adapt_tpl_struct.html#fusion.adapted.adapt_tpl_struct.synopsis">Synopsis</a>
</h5>
<pre class="programlisting"><span class="identifier">BOOST_FUSION_ADAPT_TPL_STRUCT</span><span class="special">(</span>
<span class="special">(</span><span class="identifier">template_param0</span><span class="special">)(</span><span class="identifier">template_param1</span><span class="special">)...,</span>
<span class="special">(</span><span class="identifier">struct_name</span><span class="special">)</span> <span class="special">(</span><span class="identifier">specialization_param0</span><span class="special">)(</span><span class="identifier">specialization_param1</span><span class="special">)...,</span>
<span class="special">(</span><span class="identifier">member_type0</span><span class="special">,</span> <span class="identifier">member_name0</span><span class="special">)</span>
<span class="special">(</span><span class="identifier">member_type1</span><span class="special">,</span> <span class="identifier">member_name1</span><span class="special">)</span>
<span class="special">...</span>
<span class="special">)</span>
</pre>
<a name="fusion.adapted.adapt_tpl_struct.semantics"></a><h5>
<a name="id927861"></a>
<a class="link" href="adapt_tpl_struct.html#fusion.adapted.adapt_tpl_struct.semantics">Semantics</a>
</h5>
<p>
The above macro generates the necessary code to adapt <code class="computeroutput"><span class="identifier">struct_name</span></code>
or an arbitrary specialization of <code class="computeroutput"><span class="identifier">struct_name</span></code>
as a model of <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a>. The sequence <code class="computeroutput"><span class="special">(</span><span class="identifier">template_param0</span><span class="special">)(</span><span class="identifier">template_param1</span><span class="special">)...</span></code>
declares the names of the template type parameters used. The sequence <code class="computeroutput"><span class="special">(</span><span class="identifier">specialization_param0</span><span class="special">)(</span><span class="identifier">specialization_param1</span><span class="special">)...</span></code> declares the template parameters of the
actual specialization of <code class="computeroutput"><span class="identifier">struct_name</span></code>
that is adapted as a fusion sequence. The sequence of <code class="computeroutput"><span class="special">(</span><span class="identifier">member_typeN</span><span class="special">,</span>
<span class="identifier">member_nameN</span><span class="special">)</span></code>
pairs declares the type and names of each of the struct members that are
part of the sequence.
</p>
<p>
The macro should be used at global scope, and <code class="computeroutput"><span class="identifier">struct_name</span></code>
should be the fully namespace qualified name of the struct to be adapted.
</p>
<a name="fusion.adapted.adapt_tpl_struct.header"></a><h5>
<a name="id927984"></a>
<a class="link" href="adapt_tpl_struct.html#fusion.adapted.adapt_tpl_struct.header">Header</a>
</h5>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">adapted</span><span class="special">/</span><span class="keyword">struct</span><span class="special">/</span><span class="identifier">adapt_struct</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">adapt_struct</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.adapted.adapt_tpl_struct.example"></a><h5>
<a name="id928099"></a>
<a class="link" href="adapt_tpl_struct.html#fusion.adapted.adapt_tpl_struct.example">Example</a>
</h5>
<pre class="programlisting"><span class="keyword">namespace</span> <span class="identifier">demo</span>
<span class="special">{</span>
<span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> <span class="identifier">Name</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">Age</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">employee</span>
<span class="special">{</span>
<span class="identifier">Name</span> <span class="identifier">name</span><span class="special">;</span>
<span class="identifier">Age</span> <span class="identifier">age</span><span class="special">;</span>
<span class="special">};</span>
<span class="special">}</span>
<span class="comment">// Any instantiated demo::employee is now a Fusion sequence
</span><span class="identifier">BOOST_FUSION_ADAPT_TPL_STRUCT</span><span class="special">(</span>
<span class="special">(</span><span class="identifier">Name</span><span class="special">)(</span><span class="identifier">Age</span><span class="special">),</span>
<span class="special">(</span><span class="identifier">demo</span><span class="special">::</span><span class="identifier">employee</span><span class="special">)</span> <span class="special">(</span><span class="identifier">Name</span><span class="special">)(</span><span class="identifier">Age</span><span class="special">),</span>
<span class="special">(</span><span class="identifier">Name</span><span class="special">,</span> <span class="identifier">name</span><span class="special">)</span>
<span class="special">(</span><span class="identifier">Age</span><span class="special">,</span> <span class="identifier">age</span><span class="special">))</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
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<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="fusion.adapted.array"></a><a class="link" href="array.html" title="Array">Array</a>
</h3></div></div></div>
<p>
This module provides adapters for arrays. Including the module header makes
any array a fully conforming <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a>.
</p>
<a name="fusion.adapted.array.header"></a><h5>
<a name="id923373"></a>
<a class="link" href="array.html#fusion.adapted.array.header">Header</a>
</h5>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">adapted</span><span class="special">/</span><span class="identifier">array</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">array</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.adapted.array.model_of"></a><h5>
<a name="id923481"></a>
<a class="link" href="array.html#fusion.adapted.array.model_of">Model of</a>
</h5>
<div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem">
<a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a>
</li></ul></div>
<a name="fusion.adapted.array.example"></a><h5>
<a name="id923510"></a>
<a class="link" href="array.html#fusion.adapted.array.example">Example</a>
</h5>
<pre class="programlisting"><span class="keyword">int</span> <span class="identifier">arr</span><span class="special">[</span><span class="number">3</span><span class="special">]</span> <span class="special">=</span> <span class="special">{</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">,</span><span class="number">3</span><span class="special">};</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="special">*</span><a class="link" href="../sequence/intrinsic/functions/begin.html" title="begin"><code class="computeroutput"><span class="identifier">begin</span></code></a><span class="special">(</span><span class="identifier">arr</span><span class="special">)</span> <span class="special">&lt;&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="special">*</span><a class="link" href="../iterator/functions/next.html" title="next"><code class="computeroutput"><span class="identifier">next</span></code></a><span class="special">(</span><a class="link" href="../sequence/intrinsic/functions/begin.html" title="begin"><code class="computeroutput"><span class="identifier">begin</span></code></a><span class="special">(</span><span class="identifier">arr</span><span class="special">))</span> <span class="special">&lt;&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="special">*</span><a class="link" href="../iterator/functions/advance_c.html" title="advance_c"><code class="computeroutput"><span class="identifier">advance_c</span></code></a><span class="special">&lt;</span><span class="number">2</span><span class="special">&gt;(</span><a class="link" href="../sequence/intrinsic/functions/begin.html" title="begin"><code class="computeroutput"><span class="identifier">begin</span></code></a><span class="special">(</span><span class="identifier">arr</span><span class="special">))</span> <span class="special">&lt;&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="special">*</span><a class="link" href="../iterator/functions/prior.html" title="prior"><code class="computeroutput"><span class="identifier">prior</span></code></a><span class="special">(</span><a class="link" href="../sequence/intrinsic/functions/end.html" title="end"><code class="computeroutput"><span class="identifier">end</span></code></a><span class="special">(</span><span class="identifier">arr</span><span class="special">))</span> <span class="special">&lt;&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <a class="link" href="../sequence/intrinsic/functions/at_c.html" title="at_c"><code class="computeroutput"><span class="identifier">at_c</span></code></a><span class="special">&lt;</span><span class="number">2</span><span class="special">&gt;(</span><span class="identifier">arr</span><span class="special">)</span> <span class="special">&lt;&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
</pre>
</div>
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<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
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Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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<p>
This module provides adapters for <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">array</span></code>.
Including the module header makes <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">array</span></code>
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<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">adapted</span><span class="special">/</span><span class="identifier">boost_array</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">boost_array</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
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<a name="id926351"></a>
<a class="link" href="boost__array.html#fusion.adapted.boost__array.example">Example</a>
</h5>
<pre class="programlisting"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">array</span><span class="special">&lt;</span><span class="keyword">int</span><span class="special">,</span><span class="number">3</span><span class="special">&gt;</span> <span class="identifier">arr</span> <span class="special">=</span> <span class="special">{{</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">,</span><span class="number">3</span><span class="special">}};</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="special">*</span><a class="link" href="../sequence/intrinsic/functions/begin.html" title="begin"><code class="computeroutput"><span class="identifier">begin</span></code></a><span class="special">(</span><span class="identifier">arr</span><span class="special">)</span> <span class="special">&lt;&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="special">*</span><a class="link" href="../iterator/functions/next.html" title="next"><code class="computeroutput"><span class="identifier">next</span></code></a><span class="special">(</span><a class="link" href="../sequence/intrinsic/functions/begin.html" title="begin"><code class="computeroutput"><span class="identifier">begin</span></code></a><span class="special">(</span><span class="identifier">arr</span><span class="special">))</span> <span class="special">&lt;&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="special">*</span><a class="link" href="../iterator/functions/advance_c.html" title="advance_c"><code class="computeroutput"><span class="identifier">advance_c</span></code></a><span class="special">&lt;</span><span class="number">2</span><span class="special">&gt;(</span><a class="link" href="../sequence/intrinsic/functions/begin.html" title="begin"><code class="computeroutput"><span class="identifier">begin</span></code></a><span class="special">(</span><span class="identifier">arr</span><span class="special">))</span> <span class="special">&lt;&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="special">*</span><a class="link" href="../iterator/functions/prior.html" title="prior"><code class="computeroutput"><span class="identifier">prior</span></code></a><span class="special">(</span><a class="link" href="../sequence/intrinsic/functions/end.html" title="end"><code class="computeroutput"><span class="identifier">end</span></code></a><span class="special">(</span><span class="identifier">arr</span><span class="special">))</span> <span class="special">&lt;&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <a class="link" href="../sequence/intrinsic/functions/at_c.html" title="at_c"><code class="computeroutput"><span class="identifier">at_c</span></code></a><span class="special">&lt;</span><span class="number">2</span><span class="special">&gt;(</span><span class="identifier">arr</span><span class="special">)</span> <span class="special">&lt;&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
</pre>
<a name="fusion.adapted.boost__array.see_also"></a><h5>
<a name="id926787"></a>
<a class="link" href="boost__array.html#fusion.adapted.boost__array.see_also">See also</a>
</h5>
<p>
<a href="http://www.boost.org/doc/html/array.html" target="_top">Boost.Array Library</a>
</p>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
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<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
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Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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<p>
This module provides adapters for <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">tuple</span></code>.
Including the module header makes <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">tuple</span></code>
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<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">adapted</span><span class="special">/</span><span class="identifier">boost_tuple</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">boost_tuple</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
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<a class="link" href="boost__tuple.html#fusion.adapted.boost__tuple.model_of">Model of</a>
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<a class="link" href="../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward Sequence</a>
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<a name="fusion.adapted.boost__tuple.example"></a><h5>
<a name="id926993"></a>
<a class="link" href="boost__tuple.html#fusion.adapted.boost__tuple.example">Example</a>
</h5>
<pre class="programlisting"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">tuple</span><span class="special">&lt;</span><span class="keyword">int</span><span class="special">,</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">&gt;</span> <span class="identifier">example_tuple</span><span class="special">(</span><span class="number">101</span><span class="special">,</span> <span class="string">"hello"</span><span class="special">);</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="special">*</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">fusion</span><span class="special">::</span><span class="identifier">begin</span><span class="special">(</span><span class="identifier">example_tuple</span><span class="special">)</span> <span class="special">&lt;&lt;</span> <span class="char">'\n'</span><span class="special">;</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="special">*</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">fusion</span><span class="special">::</span><span class="identifier">next</span><span class="special">(</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">fusion</span><span class="special">::</span><span class="identifier">begin</span><span class="special">(</span><span class="identifier">example_tuple</span><span class="special">))</span> <span class="special">&lt;&lt;</span> <span class="char">'\n'</span><span class="special">;</span>
</pre>
<a name="fusion.adapted.boost__tuple.see_also"></a><h5>
<a name="id927220"></a>
<a class="link" href="boost__tuple.html#fusion.adapted.boost__tuple.see_also">See also</a>
</h5>
<p>
<a href="http://www.boost.org/libs/tuple/doc/tuple_users_guide.html" target="_top">Boost.Tuple
Library</a>
</p>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
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</h3></div></div></div>
<a name="fusion.adapted.define_assoc_struct.description"></a><h5>
<a name="id944640"></a>
<a class="link" href="define_assoc_struct.html#fusion.adapted.define_assoc_struct.description">Description</a>
</h5>
<p>
BOOST_FUSION_DEFINE_ASSOC_STRUCT is a macro that can be used to generate
all the necessary boilerplate to define and adapt an arbitrary struct as
a model of <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a> and <a class="link" href="../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a>.
</p>
<a name="fusion.adapted.define_assoc_struct.synopsis"></a><h5>
<a name="id944666"></a>
<a class="link" href="define_assoc_struct.html#fusion.adapted.define_assoc_struct.synopsis">Synopsis</a>
</h5>
<pre class="programlisting"><span class="identifier">BOOST_FUSION_DEFINE_ASSOC_STRUCT</span><span class="special">(</span>
<span class="special">(</span><span class="identifier">namespace0</span><span class="special">)(</span><span class="identifier">namespace1</span><span class="special">)...,</span>
<span class="identifier">struct_name</span><span class="special">,</span>
<span class="special">(</span><span class="identifier">member_type0</span><span class="special">,</span> <span class="identifier">member_name0</span><span class="special">,</span> <span class="identifier">key_type0</span><span class="special">)</span>
<span class="special">(</span><span class="identifier">member_type1</span><span class="special">,</span> <span class="identifier">member_name1</span><span class="special">,</span> <span class="identifier">key_type1</span><span class="special">)</span>
<span class="special">...</span>
<span class="special">)</span>
</pre>
<div class="variablelist">
<p class="title"><b>Notation</b></p>
<dl>
<dt><span class="term"><code class="computeroutput"><span class="identifier">str</span></code></span></dt>
<dd><p>
An instance of <code class="computeroutput"><span class="identifier">struct_name</span></code>
</p></dd>
<dt><span class="term"><code class="computeroutput"><span class="identifier">e0</span></code>...<code class="computeroutput"><span class="identifier">en</span></code></span></dt>
<dd><p>
Heterogeneous values
</p></dd>
<dt><span class="term"><code class="computeroutput"><span class="identifier">fs</span></code></span></dt>
<dd><p>
A <a class="link" href="../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p></dd>
</dl>
</div>
<a name="fusion.adapted.define_assoc_struct.expression_semantics"></a><h5>
<a name="id944870"></a>
<a class="link" href="define_assoc_struct.html#fusion.adapted.define_assoc_struct.expression_semantics">Expression
Semantics</a>
</h5>
<p>
The above macro generates the necessary code that defines and adapts <code class="computeroutput"><span class="identifier">struct_name</span></code> as a model of <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a> and <a class="link" href="../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a>. The sequence <code class="computeroutput"><span class="special">(</span><span class="identifier">namespace0</span><span class="special">)(</span><span class="identifier">namespace1</span><span class="special">)...</span></code>
declares the namespace for <code class="computeroutput"><span class="identifier">struct_name</span></code>.
It yields to a fully qualified name for <code class="computeroutput"><span class="identifier">struct_name</span></code>
of <code class="computeroutput"><span class="identifier">namespace0</span><span class="special">::</span><span class="identifier">namespace1</span><span class="special">::...</span>
<span class="identifier">struct_name</span></code>. If an empty namespace
sequence is given (that is a macro that expands to nothing), the struct is
placed in the global namespace. The sequence of <code class="computeroutput"><span class="special">(</span><span class="identifier">member_typeN</span><span class="special">,</span>
<span class="identifier">member_nameN</span><span class="special">,</span>
<span class="identifier">key_typeN</span><span class="special">)</span></code>
triples declares the type, name and key type of each of the struct members
that are part of the sequence.
</p>
<p>
The macro should be used at global scope. Semantics of an expression is defined
only where it differs from, or is not defined in <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a> and <a class="link" href="../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a>.
</p>
<div class="informaltable"><table class="table">
<colgroup>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Expression
</p>
</th>
<th>
<p>
Semantics
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">struct_name</span><span class="special">()</span></code>
</p>
</td>
<td>
<p>
Creates an instance of <code class="computeroutput"><span class="identifier">struct_name</span></code>
with default constructed elements.
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">struct_name</span><span class="special">(</span><span class="identifier">e0</span><span class="special">,</span>
<span class="identifier">e1</span><span class="special">,...</span>
<span class="identifier">en</span><span class="special">)</span></code>
</p>
</td>
<td>
<p>
Creates an instance of <code class="computeroutput"><span class="identifier">struct_name</span></code>
with elements <code class="computeroutput"><span class="identifier">e0</span></code>...<code class="computeroutput"><span class="identifier">en</span></code>.
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">struct_name</span><span class="special">(</span><span class="identifier">fs</span><span class="special">)</span></code>
</p>
</td>
<td>
<p>
Copy constructs an instance of <code class="computeroutput"><span class="identifier">struct_name</span></code>
from a <a class="link" href="../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a> <code class="computeroutput"><span class="identifier">fs</span></code>.
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">str</span> <span class="special">=</span>
<span class="identifier">fs</span></code>
</p>
</td>
<td>
<p>
Assigns from a <a class="link" href="../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a> <code class="computeroutput"><span class="identifier">fs</span></code>.
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">str</span><span class="special">.</span><span class="identifier">member_nameN</span></code>
</p>
</td>
<td>
<p>
Access of struct member <code class="computeroutput"><span class="identifier">member_nameN</span></code>
</p>
</td>
</tr>
</tbody>
</table></div>
<a name="fusion.adapted.define_assoc_struct.header"></a><h5>
<a name="id946936"></a>
<a class="link" href="define_assoc_struct.html#fusion.adapted.define_assoc_struct.header">Header</a>
</h5>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">adapted</span><span class="special">/</span><span class="keyword">struct</span><span class="special">/</span><span class="identifier">define_assoc_struct</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">define_assoc_struct</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.adapted.define_assoc_struct.example"></a><h5>
<a name="id947051"></a>
<a class="link" href="define_assoc_struct.html#fusion.adapted.define_assoc_struct.example">Example</a>
</h5>
<pre class="programlisting"><span class="keyword">namespace</span> <span class="identifier">keys</span>
<span class="special">{</span>
<span class="keyword">struct</span> <span class="identifier">name</span><span class="special">;</span>
<span class="keyword">struct</span> <span class="identifier">age</span><span class="special">;</span>
<span class="special">}</span>
<span class="comment">// demo::employee is a Fusion sequence
</span><span class="identifier">BOOST_FUSION_DEFINE_ASSOC_STRUCT</span><span class="special">(</span>
<span class="special">(</span><span class="identifier">demo</span><span class="special">),</span> <span class="identifier">employee</span><span class="special">,</span>
<span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">,</span> <span class="identifier">name</span><span class="special">,</span> <span class="identifier">keys</span><span class="special">::</span><span class="identifier">name</span><span class="special">)</span>
<span class="special">(</span><span class="keyword">int</span><span class="special">,</span> <span class="identifier">age</span><span class="special">,</span> <span class="identifier">keys</span><span class="special">::</span><span class="identifier">age</span><span class="special">))</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
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</div>
<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="fusion.adapted.define_assoc_tpl_struct"></a><a class="link" href="define_assoc_tpl_struct.html" title="BOOST_FUSION_DEFINE_ASSOC_TPL_STRUCT">BOOST_FUSION_DEFINE_ASSOC_TPL_STRUCT</a>
</h3></div></div></div>
<a name="fusion.adapted.define_assoc_tpl_struct.description"></a><h5>
<a name="id947236"></a>
<a class="link" href="define_assoc_tpl_struct.html#fusion.adapted.define_assoc_tpl_struct.description">Description</a>
</h5>
<p>
BOOST_FUSION_DEFINE_ASSOC_TPL_STRUCT is a macro that can be used to generate
all the necessary boilerplate to define and adapt an arbitrary template struct
as a model of <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a> and <a class="link" href="../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a>.
</p>
<a name="fusion.adapted.define_assoc_tpl_struct.synopsis"></a><h5>
<a name="id947262"></a>
<a class="link" href="define_assoc_tpl_struct.html#fusion.adapted.define_assoc_tpl_struct.synopsis">Synopsis</a>
</h5>
<pre class="programlisting"><span class="identifier">BOOST_FUSION_DEFINE_ASSOC_TPL_STRUCT</span><span class="special">(</span>
<span class="special">(</span><span class="identifier">template_param0</span><span class="special">)(</span><span class="identifier">template_param1</span><span class="special">)...,</span>
<span class="special">(</span><span class="identifier">namespace0</span><span class="special">)(</span><span class="identifier">namespace1</span><span class="special">)...,</span>
<span class="identifier">struct_name</span><span class="special">,</span>
<span class="special">(</span><span class="identifier">member_type0</span><span class="special">,</span> <span class="identifier">member_name0</span><span class="special">,</span> <span class="identifier">key_type0</span><span class="special">)</span>
<span class="special">(</span><span class="identifier">member_type1</span><span class="special">,</span> <span class="identifier">member_name1</span><span class="special">,</span> <span class="identifier">key_type1</span><span class="special">)</span>
<span class="special">...</span>
<span class="special">)</span>
</pre>
<div class="variablelist">
<p class="title"><b>Notation</b></p>
<dl>
<dt><span class="term"><code class="computeroutput"><span class="identifier">Str</span></code></span></dt>
<dd><p>
An instantiated <code class="computeroutput"><span class="identifier">struct_name</span></code>
</p></dd>
<dt><span class="term"><code class="computeroutput"><span class="identifier">str</span></code></span></dt>
<dd><p>
An instance of <code class="computeroutput"><span class="identifier">Str</span></code>
</p></dd>
<dt><span class="term"><code class="computeroutput"><span class="identifier">e0</span></code>...<code class="computeroutput"><span class="identifier">en</span></code></span></dt>
<dd><p>
Heterogeneous values
</p></dd>
<dt><span class="term"><code class="computeroutput"><span class="identifier">fs</span></code></span></dt>
<dd><p>
A <a class="link" href="../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p></dd>
</dl>
</div>
<a name="fusion.adapted.define_assoc_tpl_struct.expression_semantics"></a><h5>
<a name="id947514"></a>
<a class="link" href="define_assoc_tpl_struct.html#fusion.adapted.define_assoc_tpl_struct.expression_semantics">Expression
Semantics</a>
</h5>
<p>
The above macro generates the necessary code that defines and adapts <code class="computeroutput"><span class="identifier">struct_name</span></code> as a model of <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a> and <a class="link" href="../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a>. The sequence <code class="computeroutput"><span class="special">(</span><span class="identifier">template_param0</span><span class="special">)(</span><span class="identifier">template_param1</span><span class="special">)...</span></code>
declares the names of the template type parameters used. The sequence <code class="computeroutput"><span class="special">(</span><span class="identifier">namespace0</span><span class="special">)(</span><span class="identifier">namespace1</span><span class="special">)...</span></code> declares the namespace for <code class="computeroutput"><span class="identifier">struct_name</span></code>. It yields to a fully qualified
name for <code class="computeroutput"><span class="identifier">struct_name</span></code> of
<code class="computeroutput"><span class="identifier">namespace0</span><span class="special">::</span><span class="identifier">namespace1</span><span class="special">::...</span>
<span class="identifier">struct_name</span></code>. If an empty namespace
sequence is given (that is a macro that expands to nothing), the struct is
placed in the global namespace. The sequence of <code class="computeroutput"><span class="special">(</span><span class="identifier">member_typeN</span><span class="special">,</span>
<span class="identifier">member_nameN</span><span class="special">,</span>
<span class="identifier">key_typeN</span><span class="special">)</span></code>
triples declares the type, name and key type of each of the struct members
that are part of the sequence.
</p>
<p>
The macro should be used at global scope. Semantics of an expression is defined
only where it differs from, or is not defined in <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a> and <a class="link" href="../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a>.
</p>
<div class="informaltable"><table class="table">
<colgroup>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Expression
</p>
</th>
<th>
<p>
Semantics
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Str</span><span class="special">()</span></code>
</p>
</td>
<td>
<p>
Creates an instance of <code class="computeroutput"><span class="identifier">Str</span></code>
with default constructed elements.
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Str</span><span class="special">(</span><span class="identifier">e0</span><span class="special">,</span>
<span class="identifier">e1</span><span class="special">,...</span>
<span class="identifier">en</span><span class="special">)</span></code>
</p>
</td>
<td>
<p>
Creates an instance of <code class="computeroutput"><span class="identifier">Str</span></code>
with elements <code class="computeroutput"><span class="identifier">e0</span></code>...<code class="computeroutput"><span class="identifier">en</span></code>.
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Str</span><span class="special">(</span><span class="identifier">fs</span><span class="special">)</span></code>
</p>
</td>
<td>
<p>
Copy constructs an instance of <code class="computeroutput"><span class="identifier">Str</span></code>
from a <a class="link" href="../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a> <code class="computeroutput"><span class="identifier">fs</span></code>.
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">str</span> <span class="special">=</span>
<span class="identifier">fs</span></code>
</p>
</td>
<td>
<p>
Assigns from a <a class="link" href="../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a> <code class="computeroutput"><span class="identifier">fs</span></code>.
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">str</span><span class="special">.</span><span class="identifier">member_nameN</span></code>
</p>
</td>
<td>
<p>
Access of struct member <code class="computeroutput"><span class="identifier">member_nameN</span></code>
</p>
</td>
</tr>
</tbody>
</table></div>
<a name="fusion.adapted.define_assoc_tpl_struct.header"></a><h5>
<a name="id947962"></a>
<a class="link" href="define_assoc_tpl_struct.html#fusion.adapted.define_assoc_tpl_struct.header">Header</a>
</h5>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">adapted</span><span class="special">/</span><span class="keyword">struct</span><span class="special">/</span><span class="identifier">define_assoc_struct</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">define_assoc_struct</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.adapted.define_assoc_tpl_struct.example"></a><h5>
<a name="id948077"></a>
<a class="link" href="define_assoc_tpl_struct.html#fusion.adapted.define_assoc_tpl_struct.example">Example</a>
</h5>
<pre class="programlisting"><span class="keyword">namespace</span> <span class="identifier">keys</span>
<span class="special">{</span>
<span class="keyword">struct</span> <span class="identifier">name</span><span class="special">;</span>
<span class="keyword">struct</span> <span class="identifier">age</span><span class="special">;</span>
<span class="special">}</span>
<span class="comment">// Any instantiated demo::employee is a Fusion sequence
</span><span class="identifier">BOOST_FUSION_DEFINE_ASSOC_TPL_STRUCT</span><span class="special">(</span>
<span class="special">(</span><span class="identifier">Name</span><span class="special">)(</span><span class="identifier">Age</span><span class="special">),</span> <span class="special">(</span><span class="identifier">demo</span><span class="special">),</span> <span class="identifier">employee</span><span class="special">,</span>
<span class="special">(</span><span class="identifier">Name</span><span class="special">,</span> <span class="identifier">name</span><span class="special">,</span> <span class="identifier">keys</span><span class="special">::</span><span class="identifier">name</span><span class="special">)</span>
<span class="special">(</span><span class="identifier">Age</span><span class="special">,</span> <span class="identifier">age</span><span class="special">,</span> <span class="identifier">keys</span><span class="special">::</span><span class="identifier">age</span><span class="special">))</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
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<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="fusion.adapted.define_struct"></a><a class="link" href="define_struct.html" title="BOOST_FUSION_DEFINE_STRUCT">BOOST_FUSION_DEFINE_STRUCT</a>
</h3></div></div></div>
<p>
BOOST_FUSION_DEFINE_STRUCT is a macro that can be used to generate all the
necessary boilerplate to define and adapt an arbitrary struct as a model
of <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a>.
</p>
<a name="fusion.adapted.define_struct.synopsis"></a><h5>
<a name="id942906"></a>
<a class="link" href="define_struct.html#fusion.adapted.define_struct.synopsis">Synopsis</a>
</h5>
<pre class="programlisting"><span class="identifier">BOOST_FUSION_DEFINE_STRUCT</span><span class="special">(</span>
<span class="special">(</span><span class="identifier">namespace0</span><span class="special">)(</span><span class="identifier">namespace1</span><span class="special">)...,</span>
<span class="identifier">struct_name</span><span class="special">,</span>
<span class="special">(</span><span class="identifier">member_type0</span><span class="special">,</span> <span class="identifier">member_name0</span><span class="special">)</span>
<span class="special">(</span><span class="identifier">member_type1</span><span class="special">,</span> <span class="identifier">member_name1</span><span class="special">)</span>
<span class="special">...</span>
<span class="special">)</span>
</pre>
<div class="variablelist">
<p class="title"><b>Notation</b></p>
<dl>
<dt><span class="term"><code class="computeroutput"><span class="identifier">str</span></code></span></dt>
<dd><p>
An instance of <code class="computeroutput"><span class="identifier">struct_name</span></code>
</p></dd>
<dt><span class="term"><code class="computeroutput"><span class="identifier">e0</span></code>...<code class="computeroutput"><span class="identifier">en</span></code></span></dt>
<dd><p>
Heterogeneous values
</p></dd>
<dt><span class="term"><code class="computeroutput"><span class="identifier">fs</span></code></span></dt>
<dd><p>
A <a class="link" href="../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p></dd>
</dl>
</div>
<a name="fusion.adapted.define_struct.expression_semantics"></a><h5>
<a name="id943093"></a>
<a class="link" href="define_struct.html#fusion.adapted.define_struct.expression_semantics">Expression
Semantics</a>
</h5>
<p>
The above macro generates the necessary code that defines and adapts <code class="computeroutput"><span class="identifier">struct_name</span></code> as a model of <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a>. The sequence <code class="computeroutput"><span class="special">(</span><span class="identifier">namespace0</span><span class="special">)(</span><span class="identifier">namespace1</span><span class="special">)...</span></code>
declares the namespace for <code class="computeroutput"><span class="identifier">struct_name</span></code>.
It yields to a fully qualified name for <code class="computeroutput"><span class="identifier">struct_name</span></code>
of <code class="computeroutput"><span class="identifier">namespace0</span><span class="special">::</span><span class="identifier">namespace1</span><span class="special">::...</span>
<span class="identifier">struct_name</span></code>. If an empty namespace
sequence is given (that is a macro that expands to nothing), the struct is
placed in the global namespace. The sequence of <code class="computeroutput"><span class="special">(</span><span class="identifier">member_typeN</span><span class="special">,</span>
<span class="identifier">member_nameN</span><span class="special">)</span></code>
pairs declares the type and names of each of the struct members that are
part of the sequence.
</p>
<p>
The macro should be used at global scope. Semantics of an expression is defined
only where it differs from, or is not defined in <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a>.
</p>
<div class="informaltable"><table class="table">
<colgroup>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Expression
</p>
</th>
<th>
<p>
Semantics
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">struct_name</span><span class="special">()</span></code>
</p>
</td>
<td>
<p>
Creates an instance of <code class="computeroutput"><span class="identifier">struct_name</span></code>
with default constructed elements.
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">struct_name</span><span class="special">(</span><span class="identifier">e0</span><span class="special">,</span>
<span class="identifier">e1</span><span class="special">,...</span>
<span class="identifier">en</span><span class="special">)</span></code>
</p>
</td>
<td>
<p>
Creates an instance of <code class="computeroutput"><span class="identifier">struct_name</span></code>
with elements <code class="computeroutput"><span class="identifier">e0</span></code>...<code class="computeroutput"><span class="identifier">en</span></code>.
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">struct_name</span><span class="special">(</span><span class="identifier">fs</span><span class="special">)</span></code>
</p>
</td>
<td>
<p>
Copy constructs an instance of <code class="computeroutput"><span class="identifier">struct_name</span></code>
from a <a class="link" href="../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a> <code class="computeroutput"><span class="identifier">fs</span></code>.
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">str</span> <span class="special">=</span>
<span class="identifier">fs</span></code>
</p>
</td>
<td>
<p>
Assigns from a <a class="link" href="../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a> <code class="computeroutput"><span class="identifier">fs</span></code>.
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">str</span><span class="special">.</span><span class="identifier">member_nameN</span></code>
</p>
</td>
<td>
<p>
Access of struct member <code class="computeroutput"><span class="identifier">member_nameN</span></code>
</p>
</td>
</tr>
</tbody>
</table></div>
<a name="fusion.adapted.define_struct.header"></a><h5>
<a name="id943499"></a>
<a class="link" href="define_struct.html#fusion.adapted.define_struct.header">Header</a>
</h5>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">adapted</span><span class="special">/</span><span class="keyword">struct</span><span class="special">/</span><span class="identifier">define_struct</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">define_struct</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.adapted.define_struct.example"></a><h5>
<a name="id943614"></a>
<a class="link" href="define_struct.html#fusion.adapted.define_struct.example">Example</a>
</h5>
<pre class="programlisting"><span class="comment">// demo::employee is a Fusion sequence
</span><span class="identifier">BOOST_FUSION_DEFINE_STRUCT</span><span class="special">(</span>
<span class="special">(</span><span class="identifier">demo</span><span class="special">),</span> <span class="identifier">employee</span><span class="special">,</span>
<span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">,</span> <span class="identifier">name</span><span class="special">)</span>
<span class="special">(</span><span class="keyword">int</span><span class="special">,</span> <span class="identifier">age</span><span class="special">))</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
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<title>BOOST_FUSION_DEFINE_TPL_STRUCT</title>
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<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="fusion.adapted.define_tpl_struct"></a><a class="link" href="define_tpl_struct.html" title="BOOST_FUSION_DEFINE_TPL_STRUCT">BOOST_FUSION_DEFINE_TPL_STRUCT</a>
</h3></div></div></div>
<a name="fusion.adapted.define_tpl_struct.description"></a><h5>
<a name="id943722"></a>
<a class="link" href="define_tpl_struct.html#fusion.adapted.define_tpl_struct.description">Description</a>
</h5>
<p>
BOOST_FUSION_DEFINE_TPL_STRUCT is a macro that can be used to generate all
the necessary boilerplate to define and adapt an arbitrary template struct
as a model of <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a>.
</p>
<a name="fusion.adapted.define_tpl_struct.synopsis"></a><h5>
<a name="id943743"></a>
<a class="link" href="define_tpl_struct.html#fusion.adapted.define_tpl_struct.synopsis">Synopsis</a>
</h5>
<pre class="programlisting"><span class="identifier">BOOST_FUSION_DEFINE_TPL_STRUCT</span><span class="special">(</span>
<span class="special">(</span><span class="identifier">template_param0</span><span class="special">)(</span><span class="identifier">template_param1</span><span class="special">)...,</span>
<span class="special">(</span><span class="identifier">namespace0</span><span class="special">)(</span><span class="identifier">namespace1</span><span class="special">)...,</span>
<span class="identifier">struct_name</span><span class="special">,</span>
<span class="special">(</span><span class="identifier">member_type0</span><span class="special">,</span> <span class="identifier">member_name0</span><span class="special">)</span>
<span class="special">(</span><span class="identifier">member_type1</span><span class="special">,</span> <span class="identifier">member_name1</span><span class="special">)</span>
<span class="special">...</span>
<span class="special">)</span>
</pre>
<div class="variablelist">
<p class="title"><b>Notation</b></p>
<dl>
<dt><span class="term"><code class="computeroutput"><span class="identifier">Str</span></code></span></dt>
<dd><p>
An instantiated <code class="computeroutput"><span class="identifier">struct_name</span></code>
</p></dd>
<dt><span class="term"><code class="computeroutput"><span class="identifier">str</span></code></span></dt>
<dd><p>
An instance of <code class="computeroutput"><span class="identifier">Str</span></code>
</p></dd>
<dt><span class="term"><code class="computeroutput"><span class="identifier">e0</span></code>...<code class="computeroutput"><span class="identifier">en</span></code></span></dt>
<dd><p>
Heterogeneous values
</p></dd>
<dt><span class="term"><code class="computeroutput"><span class="identifier">fs</span></code></span></dt>
<dd><p>
A <a class="link" href="../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p></dd>
</dl>
</div>
<a name="fusion.adapted.define_tpl_struct.expression_semantics"></a><h5>
<a name="id943976"></a>
<a class="link" href="define_tpl_struct.html#fusion.adapted.define_tpl_struct.expression_semantics">Expression
Semantics</a>
</h5>
<p>
The above macro generates the necessary code that defines and adapts <code class="computeroutput"><span class="identifier">struct_name</span></code> as a model of <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a>. The sequence <code class="computeroutput"><span class="special">(</span><span class="identifier">template_param0</span><span class="special">)(</span><span class="identifier">template_param1</span><span class="special">)...</span></code>
declares the names of the template type parameters used. The sequence <code class="computeroutput"><span class="special">(</span><span class="identifier">namespace0</span><span class="special">)(</span><span class="identifier">namespace1</span><span class="special">)...</span></code> declares the namespace for <code class="computeroutput"><span class="identifier">struct_name</span></code>. It yields to a fully qualified
name for <code class="computeroutput"><span class="identifier">struct_name</span></code> of
<code class="computeroutput"><span class="identifier">namespace0</span><span class="special">::</span><span class="identifier">namespace1</span><span class="special">::...</span>
<span class="identifier">struct_name</span></code>. If an empty namespace
sequence is given (that is a macro that expands to nothing), the struct is
placed in the global namespace. The sequence of <code class="computeroutput"><span class="special">(</span><span class="identifier">member_typeN</span><span class="special">,</span>
<span class="identifier">member_nameN</span><span class="special">)</span></code>
pairs declares the type and names of each of the struct members that are
part of the sequence.
</p>
<p>
The macro should be used at global scope. Semantics of an expression is defined
only where it differs from, or is not defined in <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a>.
</p>
<div class="informaltable"><table class="table">
<colgroup>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Expression
</p>
</th>
<th>
<p>
Semantics
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Str</span><span class="special">()</span></code>
</p>
</td>
<td>
<p>
Creates an instance of <code class="computeroutput"><span class="identifier">Str</span></code>
with default constructed elements.
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Str</span><span class="special">(</span><span class="identifier">e0</span><span class="special">,</span>
<span class="identifier">e1</span><span class="special">,...</span>
<span class="identifier">en</span><span class="special">)</span></code>
</p>
</td>
<td>
<p>
Creates an instance of <code class="computeroutput"><span class="identifier">Str</span></code>
with elements <code class="computeroutput"><span class="identifier">e0</span></code>...<code class="computeroutput"><span class="identifier">en</span></code>.
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Str</span><span class="special">(</span><span class="identifier">fs</span><span class="special">)</span></code>
</p>
</td>
<td>
<p>
Copy constructs an instance of <code class="computeroutput"><span class="identifier">Str</span></code>
from a <a class="link" href="../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a> <code class="computeroutput"><span class="identifier">fs</span></code>.
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">str</span> <span class="special">=</span>
<span class="identifier">fs</span></code>
</p>
</td>
<td>
<p>
Assigns from a <a class="link" href="../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a> <code class="computeroutput"><span class="identifier">fs</span></code>.
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">str</span><span class="special">.</span><span class="identifier">member_nameN</span></code>
</p>
</td>
<td>
<p>
Access of struct member <code class="computeroutput"><span class="identifier">member_nameN</span></code>
</p>
</td>
</tr>
</tbody>
</table></div>
<a name="fusion.adapted.define_tpl_struct.header"></a><h5>
<a name="id944403"></a>
<a class="link" href="define_tpl_struct.html#fusion.adapted.define_tpl_struct.header">Header</a>
</h5>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">adapted</span><span class="special">/</span><span class="keyword">struct</span><span class="special">/</span><span class="identifier">define_struct</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">define_struct</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.adapted.define_tpl_struct.example"></a><h5>
<a name="id944519"></a>
<a class="link" href="define_tpl_struct.html#fusion.adapted.define_tpl_struct.example">Example</a>
</h5>
<pre class="programlisting"><span class="comment">// Any instantiated demo::employee is a Fusion sequence
</span><span class="identifier">BOOST_FUSION_DEFINE_TPL_STRUCT</span><span class="special">(</span>
<span class="special">(</span><span class="identifier">Name</span><span class="special">)(</span><span class="identifier">Age</span><span class="special">),</span> <span class="special">(</span><span class="identifier">demo</span><span class="special">),</span> <span class="identifier">employee</span><span class="special">,</span>
<span class="special">(</span><span class="identifier">Name</span><span class="special">,</span> <span class="identifier">name</span><span class="special">)</span>
<span class="special">(</span><span class="identifier">Age</span><span class="special">,</span> <span class="identifier">age</span><span class="special">))</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
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<html>
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<title>mpl sequence</title>
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<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="fusion.adapted.mpl_sequence"></a><a class="link" href="mpl_sequence.html" title="mpl sequence">mpl sequence</a>
</h3></div></div></div>
<p>
This module provides adapters for <a href="http://www.boost.org/libs/mpl/index.html" target="_top">MPL</a>
sequences. Including the module header makes all <a href="http://www.boost.org/libs/mpl/index.html" target="_top">MPL</a>
sequences fully conforming fusion sequences.
</p>
<a name="fusion.adapted.mpl_sequence.header"></a><h5>
<a name="id924453"></a>
<a class="link" href="mpl_sequence.html#fusion.adapted.mpl_sequence.header">Header</a>
</h5>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">adapted</span><span class="special">/</span><span class="identifier">mpl</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">mpl</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.adapted.mpl_sequence.model_of"></a><h5>
<a name="id924561"></a>
<a class="link" href="mpl_sequence.html#fusion.adapted.mpl_sequence.model_of">Model of</a>
</h5>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem">
<a class="link" href="../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward Sequence</a>
(If the <a href="http://www.boost.org/libs/mpl/index.html" target="_top">MPL</a>
sequence is a forward sequence.)
</li>
<li class="listitem">
<a class="link" href="../sequence/concepts/bidirectional_sequence.html" title="Bidirectional Sequence">Bidirectional
Sequence</a> (If the <a href="http://www.boost.org/libs/mpl/index.html" target="_top">MPL</a>
sequence is a bidirectional sequence.)
</li>
<li class="listitem">
<a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a> (If the <a href="http://www.boost.org/libs/mpl/index.html" target="_top">MPL</a>
sequence is a random access sequence.)
</li>
</ul></div>
<a name="fusion.adapted.mpl_sequence.example"></a><h5>
<a name="id925725"></a>
<a class="link" href="mpl_sequence.html#fusion.adapted.mpl_sequence.example">Example</a>
</h5>
<pre class="programlisting"><span class="identifier">mpl</span><span class="special">::</span><span class="identifier">vector_c</span><span class="special">&lt;</span><span class="keyword">int</span><span class="special">,</span> <span class="number">123</span><span class="special">,</span> <span class="number">456</span><span class="special">&gt;</span> <span class="identifier">vec_c</span><span class="special">;</span>
<span class="identifier">fusion</span><span class="special">::</span><span class="identifier">vector2</span><span class="special">&lt;</span><span class="keyword">int</span><span class="special">,</span> <span class="keyword">long</span><span class="special">&gt;</span> <span class="identifier">v</span><span class="special">(</span><span class="identifier">vec_c</span><span class="special">);</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <a class="link" href="../sequence/intrinsic/functions/at_c.html" title="at_c"><code class="computeroutput"><span class="identifier">at_c</span></code></a><span class="special">&lt;</span><span class="number">0</span><span class="special">&gt;(</span><span class="identifier">v</span><span class="special">)</span> <span class="special">&lt;&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <a class="link" href="../sequence/intrinsic/functions/at_c.html" title="at_c"><code class="computeroutput"><span class="identifier">at_c</span></code></a><span class="special">&lt;</span><span class="number">1</span><span class="special">&gt;(</span><span class="identifier">v</span><span class="special">)</span> <span class="special">&lt;&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
<span class="identifier">v</span> <span class="special">=</span> <span class="identifier">mpl</span><span class="special">::</span><span class="identifier">vector_c</span><span class="special">&lt;</span><span class="keyword">int</span><span class="special">,</span> <span class="number">456</span><span class="special">,</span> <span class="number">789</span><span class="special">&gt;();</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <a class="link" href="../sequence/intrinsic/functions/at_c.html" title="at_c"><code class="computeroutput"><span class="identifier">at_c</span></code></a><span class="special">&lt;</span><span class="number">0</span><span class="special">&gt;(</span><span class="identifier">v</span><span class="special">)</span> <span class="special">&lt;&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <a class="link" href="../sequence/intrinsic/functions/at_c.html" title="at_c"><code class="computeroutput"><span class="identifier">at_c</span></code></a><span class="special">&lt;</span><span class="number">1</span><span class="special">&gt;(</span><span class="identifier">v</span><span class="special">)</span> <span class="special">&lt;&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
</pre>
<a name="fusion.adapted.mpl_sequence.see_also"></a><h5>
<a name="id926145"></a>
<a class="link" href="mpl_sequence.html#fusion.adapted.mpl_sequence.see_also">See also</a>
</h5>
<p>
<a href="http://www.boost.org/libs/mpl/index.html" target="_top">MPL</a>
</p>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
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<a name="fusion.adapted.std__pair"></a><a class="link" href="std__pair.html" title="std::pair">std::pair</a>
</h3></div></div></div>
<p>
This module provides adapters for <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">pair</span></code>.
Including the module header makes <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">pair</span></code>
a fully conforming <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a>.
</p>
<a name="fusion.adapted.std__pair.header"></a><h5>
<a name="id923979"></a>
<a class="link" href="std__pair.html#fusion.adapted.std__pair.header">Header</a>
</h5>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">adapted</span><span class="special">/</span><span class="identifier">std_pair</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">std_pair</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.adapted.std__pair.model_of"></a><h5>
<a name="id924087"></a>
<a class="link" href="std__pair.html#fusion.adapted.std__pair.model_of">Model of</a>
</h5>
<div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem">
<a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a>
</li></ul></div>
<a name="fusion.adapted.std__pair.example"></a><h5>
<a name="id924116"></a>
<a class="link" href="std__pair.html#fusion.adapted.std__pair.example">Example</a>
</h5>
<pre class="programlisting"><span class="identifier">std</span><span class="special">::</span><span class="identifier">pair</span><span class="special">&lt;</span><span class="keyword">int</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">&gt;</span> <span class="identifier">p</span><span class="special">(</span><span class="number">123</span><span class="special">,</span> <span class="string">"Hola!!!"</span><span class="special">);</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <a class="link" href="../sequence/intrinsic/functions/at_c.html" title="at_c"><code class="computeroutput"><span class="identifier">at_c</span></code></a><span class="special">&lt;</span><span class="number">0</span><span class="special">&gt;(</span><span class="identifier">p</span><span class="special">)</span> <span class="special">&lt;&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <a class="link" href="../sequence/intrinsic/functions/at_c.html" title="at_c"><code class="computeroutput"><span class="identifier">at_c</span></code></a><span class="special">&lt;</span><span class="number">1</span><span class="special">&gt;(</span><span class="identifier">p</span><span class="special">)</span> <span class="special">&lt;&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="identifier">p</span> <span class="special">&lt;&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
</pre>
<a name="fusion.adapted.std__pair.see_also"></a><h5>
<a name="id924367"></a>
<a class="link" href="std__pair.html#fusion.adapted.std__pair.see_also">See also</a>
</h5>
<p>
<a href="http://www.sgi.com/tech/stl/pair.html" target="_top"><code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">pair</span></code></a>,
<a class="link" href="../tuple/pairs.html" title="Pairs"><code class="computeroutput"><span class="identifier">TR1</span>
<span class="keyword">and</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">pair</span></code></a>
</p>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
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<a name="fusion.algorithm"></a><a class="link" href="algorithm.html" title="Algorithm">Algorithm</a>
</h2></div></div></div>
<div class="toc"><dl>
<dt><span class="section"><a href="algorithm/iteration.html">Iteration</a></span></dt>
<dd><dl>
<dt><span class="section"><a href="algorithm/iteration/functions.html">Functions</a></span></dt>
<dt><span class="section"><a href="algorithm/iteration/metafunctions.html">Metafunctions</a></span></dt>
</dl></dd>
<dt><span class="section"><a href="algorithm/query.html">Query</a></span></dt>
<dd><dl>
<dt><span class="section"><a href="algorithm/query/functions.html">Functions</a></span></dt>
<dt><span class="section"><a href="algorithm/query/metafunctions.html">Metafunctions</a></span></dt>
</dl></dd>
<dt><span class="section"><a href="algorithm/transformation.html">Transformation</a></span></dt>
<dd><dl>
<dt><span class="section"><a href="algorithm/transformation/functions.html">Functions</a></span></dt>
<dt><span class="section"><a href="algorithm/transformation/metafunctions.html">Metafunctions</a></span></dt>
</dl></dd>
</dl></div>
<a name="fusion.algorithm.lazy_evaluation"></a><h4>
<a name="id948276"></a>
<a class="link" href="algorithm.html#fusion.algorithm.lazy_evaluation">Lazy Evaluation</a>
</h4>
<p>
Unlike <a href="http://www.boost.org/libs/mpl/index.html" target="_top">MPL</a>, Fusion
algorithms are lazy and non sequence-type preserving. What does that mean?
It means that when you operate on a sequence through a Fusion algorithm that
returns a sequence, the sequence returned may not be of the same class as the
original. This is by design. Runtime efficiency is given a high priority. Like
<a href="http://www.boost.org/libs/mpl/index.html" target="_top">MPL</a>, and unlike
<a href="http://en.wikipedia.org/wiki/Standard_Template_Library" target="_top">STL</a>,
fusion algorithms are functional in nature such that algorithms are non mutating
(no side effects). However, due to the high cost of returning full sequences
such as vectors and lists, <span class="emphasis"><em>Views</em></span> are returned from Fusion
algorithms instead. For example, the <a class="link" href="algorithm/transformation/functions/transform.html" title="transform"><code class="computeroutput"><span class="identifier">transform</span></code></a> algorithm does not actually
return a transformed version of the original sequence. <a class="link" href="algorithm/transformation/functions/transform.html" title="transform"><code class="computeroutput"><span class="identifier">transform</span></code></a> returns a <a class="link" href="view/transform_view.html" title="transform_view"><code class="computeroutput"><span class="identifier">transform_view</span></code></a>. This view holds a
reference to the original sequence plus the transform function. Iteration over
the <a class="link" href="view/transform_view.html" title="transform_view"><code class="computeroutput"><span class="identifier">transform_view</span></code></a>
will apply the transform function over the sequence elements on demand. This
<span class="emphasis"><em>lazy</em></span> evaluation scheme allows us to chain as many algorithms
as we want without incurring a high runtime penalty.
</p>
<a name="fusion.algorithm.sequence_extension"></a><h4>
<a name="id948353"></a>
<a class="link" href="algorithm.html#fusion.algorithm.sequence_extension">Sequence Extension</a>
</h4>
<p>
The <span class="emphasis"><em>lazy</em></span> evaluation scheme where <a class="link" href="algorithm.html" title="Algorithm">Algorithms</a>
return <a class="link" href="view.html" title="View">Views</a> also allows operations such
as <a class="link" href="algorithm/transformation/functions/push_back.html" title="push_back"><code class="computeroutput"><span class="identifier">push_back</span></code></a> to be totally generic. In
Fusion, <a class="link" href="algorithm/transformation/functions/push_back.html" title="push_back"><code class="computeroutput"><span class="identifier">push_back</span></code></a> is actually a generic algorithm
that works on all sequences. Given an input sequence <code class="computeroutput"><span class="identifier">s</span></code>
and a value <code class="computeroutput"><span class="identifier">x</span></code>, Fusion's <a class="link" href="algorithm/transformation/functions/push_back.html" title="push_back"><code class="computeroutput"><span class="identifier">push_back</span></code></a> algorithm simply returns
a <a class="link" href="view/joint_view.html" title="joint_view"><code class="computeroutput"><span class="identifier">joint_view</span></code></a>:
a view that holds a reference to the original sequence <code class="computeroutput"><span class="identifier">s</span></code>
and the value <code class="computeroutput"><span class="identifier">x</span></code>. Functions
that were once sequence specific and need to be implemented N times over N
different sequences are now implemented only once. That is to say that Fusion
sequences are cheaply extensible. To regain the original sequence, <a class="link" href="container/conversion/functions.html" title="Functions">Conversion</a>
functions are provided. You may use one of the <a class="link" href="container/conversion/functions.html" title="Functions">Conversion</a>
functions to convert back to the original sequence type.
</p>
<a name="fusion.algorithm.header"></a><h4>
<a name="id948461"></a>
<a class="link" href="algorithm.html#fusion.algorithm.header">Header</a>
</h4>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
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<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="fusion.algorithm.iteration"></a><a class="link" href="iteration.html" title="Iteration">Iteration</a>
</h3></div></div></div>
<div class="toc"><dl>
<dt><span class="section"><a href="iteration/functions.html">Functions</a></span></dt>
<dt><span class="section"><a href="iteration/metafunctions.html">Metafunctions</a></span></dt>
</dl></div>
<p>
The iteration algorithms provide the fundamental algorithms for traversing
a sequence repeatedly applying an operation to its elements.
</p>
<a name="fusion.algorithm.iteration.header"></a><h5>
<a name="id948575"></a>
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<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">iteration</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">iteration</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
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Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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<a name="fusion.algorithm.iteration.functions"></a><a class="link" href="functions.html" title="Functions">Functions</a>
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<dt><span class="section"><a href="functions/fold.html">fold</a></span></dt>
<dt><span class="section"><a href="functions/reverse_fold.html">reverse_fold</a></span></dt>
<dt><span class="section"><a href="functions/iter_fold.html">iter_fold</a></span></dt>
<dt><span class="section"><a href="functions/reverse_iter_fold.html">reverse_iter_fold</a></span></dt>
<dt><span class="section"><a href="functions/accumulate.html">accumulate</a></span></dt>
<dt><span class="section"><a href="functions/for_each.html">for_each</a></span></dt>
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<a name="fusion.algorithm.iteration.functions.accumulate"></a><a class="link" href="accumulate.html" title="accumulate">accumulate</a>
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<a name="fusion.algorithm.iteration.functions.accumulate.description"></a><h6>
<a name="id956476"></a>
<a class="link" href="accumulate.html#fusion.algorithm.iteration.functions.accumulate.description">Description</a>
</h6>
<p>
For a sequence <code class="computeroutput"><span class="identifier">seq</span></code>, initial
state <code class="computeroutput"><span class="identifier">initial_state</span></code>,
and binary function object or function pointer <code class="computeroutput"><span class="identifier">f</span></code>,
<code class="literal">accumulate</code> returns the result of the repeated application
of binary <code class="computeroutput"><span class="identifier">f</span></code> to the result
of the previous <code class="computeroutput"><span class="identifier">f</span></code> invocation
(<code class="computeroutput"><span class="identifier">inital_state</span></code> if it is
the first call) and each element of <code class="computeroutput"><span class="identifier">seq</span></code>.
</p>
<a name="fusion.algorithm.iteration.functions.accumulate.synopsis"></a><h6>
<a name="id956555"></a>
<a class="link" href="accumulate.html#fusion.algorithm.iteration.functions.accumulate.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">State</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">F</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/accumulate.html" title="accumulate"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">accumulate</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">F</span><span class="special">&gt;::</span><span class="identifier">type</span> accumulate<span class="special">(</span>
<span class="identifier">Sequence</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">initial_state</span><span class="special">,</span> <span class="identifier">F</span> <span class="identifier">f</span><span class="special">);</span>
<span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">State</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">F</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/accumulate.html" title="accumulate"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">accumulate</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">F</span><span class="special">&gt;::</span><span class="identifier">type</span> accumulate<span class="special">(</span>
<span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">initial_state</span><span class="special">,</span> <span class="identifier">F</span> <span class="identifier">f</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id956907"></a><p class="title"><b>Table&#160;1.41.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">initial_state</span></code>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
Initial state
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">f</span></code>
</p>
</td>
<td>
<p>
<code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">s</span><span class="special">,</span>e<span class="special">)</span></code> with return type <code class="computeroutput"><a href="http://www.boost.org/libs/utility/utility.htm#result_of" target="_top"><code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">result_of</span></code></a><span class="special">&lt;</span><span class="identifier">F</span><span class="special">(</span><span class="identifier">S</span><span class="special">,</span>E<span class="special">)&gt;::</span><span class="identifier">type</span></code> for current state <code class="computeroutput"><span class="identifier">s</span></code> of type <code class="computeroutput"><span class="identifier">S</span></code>,
and for each element <code class="computeroutput"><span class="identifier">e</span></code>
of type <code class="computeroutput"><span class="identifier">E</span></code> in
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.iteration.functions.accumulate.expression_semantics"></a><h6>
<a name="id957164"></a>
<a class="link" href="accumulate.html#fusion.algorithm.iteration.functions.accumulate.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting">accumulate<span class="special">(</span><span class="identifier">seq</span><span class="special">,</span> <span class="identifier">initial_state</span><span class="special">,</span> <span class="identifier">f</span><span class="special">);</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: Any type
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Equivalent to <code class="literal">f(...
f(f(initial_state,e1),e2) ...eN)</code> where <code class="literal">e1 ...eN</code>
are the consecutive elements of <code class="computeroutput"><span class="identifier">seq</span></code>.
</p>
<a name="fusion.algorithm.iteration.functions.accumulate.complexity"></a><h6>
<a name="id957246"></a>
<a class="link" href="accumulate.html#fusion.algorithm.iteration.functions.accumulate.complexity">Complexity</a>
</h6>
<p>
Linear, exactly <code class="computeroutput"><a class="link" href="../../../sequence/intrinsic/metafunctions/size.html" title="size"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">size</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">&gt;::</span><span class="identifier">value</span></code> applications of <code class="computeroutput"><span class="identifier">f</span></code>.
</p>
<a name="fusion.algorithm.iteration.functions.accumulate.header"></a><h6>
<a name="id957306"></a>
<a class="link" href="accumulate.html#fusion.algorithm.iteration.functions.accumulate.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">iteration</span><span class="special">/</span>accumulate<span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span>accumulate<span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.algorithm.iteration.functions.accumulate.example"></a><h6>
<a name="id957417"></a>
<a class="link" href="accumulate.html#fusion.algorithm.iteration.functions.accumulate.example">Example</a>
</h6>
<pre class="programlisting"><span class="keyword">struct</span> <span class="identifier">make_string</span>
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="identifier">result_type</span><span class="special">;</span>
<span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="keyword">operator</span><span class="special">()(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">&amp;</span> <span class="identifier">str</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span><span class="special">&amp;</span> <span class="identifier">t</span><span class="special">)</span> <span class="keyword">const</span>
<span class="special">{</span>
<span class="keyword">return</span> <span class="identifier">str</span> <span class="special">+</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">lexical_cast</span><span class="special">&lt;</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">&gt;(</span>t<span class="special">);</span>
<span class="special">}</span>
<span class="special">};</span>
<span class="special">...</span>
<span class="keyword">const</span> <a class="link" href="../../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special">&lt;</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">int</span><span class="special">&gt;</span> <span class="identifier">vec</span><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">);</span>
<span class="identifier">assert</span><span class="special">(</span>accumulate<span class="special">(</span><span class="identifier">vec</span><span class="special">,</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">(</span><span class="string">""</span><span class="special">),</span> <span class="identifier">make_string</span><span class="special">())</span> <span class="special">==</span> "12"<span class="special">);</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
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<a name="fusion.algorithm.iteration.functions.fold"></a><a class="link" href="fold.html" title="fold">fold</a>
</h5></div></div></div>
<a name="fusion.algorithm.iteration.functions.fold.description"></a><h6>
<a name="id948702"></a>
<a class="link" href="fold.html#fusion.algorithm.iteration.functions.fold.description">Description</a>
</h6>
<p>
For a sequence <code class="computeroutput"><span class="identifier">seq</span></code>, initial
state <code class="computeroutput"><span class="identifier">initial_state</span></code>,
and binary function object or function pointer <code class="computeroutput"><span class="identifier">f</span></code>,
<code class="literal">fold</code> returns the result of the repeated application
of binary <code class="computeroutput"><span class="identifier">f</span></code> to the result
of the previous <code class="computeroutput"><span class="identifier">f</span></code> invocation
(<code class="computeroutput"><span class="identifier">inital_state</span></code> if it is
the first call) and each element of <code class="computeroutput"><span class="identifier">seq</span></code>.
</p>
<a name="fusion.algorithm.iteration.functions.fold.synopsis"></a><h6>
<a name="id949392"></a>
<a class="link" href="fold.html#fusion.algorithm.iteration.functions.fold.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">State</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">F</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/fold.html" title="fold"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">fold</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">F</span><span class="special">&gt;::</span><span class="identifier">type</span> fold<span class="special">(</span>
<span class="identifier">Sequence</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">initial_state</span><span class="special">,</span> <span class="identifier">F</span> <span class="identifier">f</span><span class="special">);</span>
<span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">State</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">F</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/fold.html" title="fold"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">fold</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">F</span><span class="special">&gt;::</span><span class="identifier">type</span> fold<span class="special">(</span>
<span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">initial_state</span><span class="special">,</span> <span class="identifier">F</span> <span class="identifier">f</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id949741"></a><p class="title"><b>Table&#160;1.37.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">initial_state</span></code>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
Initial state
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">f</span></code>
</p>
</td>
<td>
<p>
<code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">s</span><span class="special">,</span>e<span class="special">)</span></code> with return type <code class="computeroutput"><a href="http://www.boost.org/libs/utility/utility.htm#result_of" target="_top"><code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">result_of</span></code></a><span class="special">&lt;</span><span class="identifier">F</span><span class="special">(</span><span class="identifier">S</span><span class="special">,</span>E<span class="special">)&gt;::</span><span class="identifier">type</span></code> for current state <code class="computeroutput"><span class="identifier">s</span></code> of type <code class="computeroutput"><span class="identifier">S</span></code>,
and for each element <code class="computeroutput"><span class="identifier">e</span></code>
of type <code class="computeroutput"><span class="identifier">E</span></code> in
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.iteration.functions.fold.expression_semantics"></a><h6>
<a name="id950000"></a>
<a class="link" href="fold.html#fusion.algorithm.iteration.functions.fold.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting">fold<span class="special">(</span><span class="identifier">seq</span><span class="special">,</span> <span class="identifier">initial_state</span><span class="special">,</span> <span class="identifier">f</span><span class="special">);</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: Any type
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Equivalent to <code class="literal">f(...
f(f(initial_state,e1),e2) ...eN)</code> where <code class="literal">e1 ...eN</code>
are the consecutive elements of <code class="computeroutput"><span class="identifier">seq</span></code>.
</p>
<a name="fusion.algorithm.iteration.functions.fold.complexity"></a><h6>
<a name="id950083"></a>
<a class="link" href="fold.html#fusion.algorithm.iteration.functions.fold.complexity">Complexity</a>
</h6>
<p>
Linear, exactly <code class="computeroutput"><a class="link" href="../../../sequence/intrinsic/metafunctions/size.html" title="size"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">size</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">&gt;::</span><span class="identifier">value</span></code> applications of <code class="computeroutput"><span class="identifier">f</span></code>.
</p>
<a name="fusion.algorithm.iteration.functions.fold.header"></a><h6>
<a name="id950141"></a>
<a class="link" href="fold.html#fusion.algorithm.iteration.functions.fold.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">iteration</span><span class="special">/</span>fold<span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span>fold<span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.algorithm.iteration.functions.fold.example"></a><h6>
<a name="id950251"></a>
<a class="link" href="fold.html#fusion.algorithm.iteration.functions.fold.example">Example</a>
</h6>
<pre class="programlisting"><span class="keyword">struct</span> <span class="identifier">make_string</span>
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="identifier">result_type</span><span class="special">;</span>
<span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="keyword">operator</span><span class="special">()(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">&amp;</span> <span class="identifier">str</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span><span class="special">&amp;</span> <span class="identifier">t</span><span class="special">)</span> <span class="keyword">const</span>
<span class="special">{</span>
<span class="keyword">return</span> <span class="identifier">str</span> <span class="special">+</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">lexical_cast</span><span class="special">&lt;</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">&gt;(</span>t<span class="special">);</span>
<span class="special">}</span>
<span class="special">};</span>
<span class="special">...</span>
<span class="keyword">const</span> <a class="link" href="../../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special">&lt;</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">int</span><span class="special">&gt;</span> <span class="identifier">vec</span><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">);</span>
<span class="identifier">assert</span><span class="special">(</span>fold<span class="special">(</span><span class="identifier">vec</span><span class="special">,</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">(</span><span class="string">""</span><span class="special">),</span> <span class="identifier">make_string</span><span class="special">())</span> <span class="special">==</span> "12"<span class="special">);</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
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<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
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<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.iteration.functions.for_each"></a><a class="link" href="for_each.html" title="for_each">for_each</a>
</h5></div></div></div>
<a name="fusion.algorithm.iteration.functions.for_each.description"></a><h6>
<a name="id957765"></a>
<a class="link" href="for_each.html#fusion.algorithm.iteration.functions.for_each.description">Description</a>
</h6>
<p>
Applies a unary function object to each element of a sequence.
</p>
<a name="fusion.algorithm.iteration.functions.for_each.synopsis"></a><h6>
<a name="id957784"></a>
<a class="link" href="for_each.html#fusion.algorithm.iteration.functions.for_each.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">F</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/for_each.html" title="for_each"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">for_each</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">F</span><span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">for_each</span><span class="special">(</span>
<span class="identifier">Sequence</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">F</span> <span class="identifier">f</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id957916"></a><p class="title"><b>Table&#160;1.42.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>, <code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">e</span><span class="special">)</span></code> must be a valid expression
for each element <code class="computeroutput"><span class="identifier">e</span></code>
in <code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">f</span></code>
</p>
</td>
<td>
<p>
A unary <a class="link" href="../../../functional/concepts/reg_callable.html" title="Regular Callable Object">Regular
Callable Object</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.iteration.functions.for_each.expression_semantics"></a><h6>
<a name="id958619"></a>
<a class="link" href="for_each.html#fusion.algorithm.iteration.functions.for_each.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="for_each.html" title="for_each"><code class="computeroutput"><span class="identifier">for_each</span></code></a><span class="special">(</span><span class="identifier">seq</span><span class="special">,</span> <span class="identifier">f</span><span class="special">);</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: <code class="computeroutput"><span class="keyword">void</span></code>
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Calls <code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">e</span><span class="special">)</span></code> for each element <code class="computeroutput"><span class="identifier">e</span></code>
in <code class="computeroutput"><span class="identifier">seq</span></code>.
</p>
<a name="fusion.algorithm.iteration.functions.for_each.complexity"></a><h6>
<a name="id958723"></a>
<a class="link" href="for_each.html#fusion.algorithm.iteration.functions.for_each.complexity">Complexity</a>
</h6>
<p>
Linear, exactly <code class="computeroutput"><a class="link" href="../../../sequence/intrinsic/metafunctions/size.html" title="size"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">size</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">&gt;::</span><span class="identifier">value</span></code> applications of <code class="computeroutput"><span class="identifier">f</span></code>.
</p>
<a name="fusion.algorithm.iteration.functions.for_each.header"></a><h6>
<a name="id958783"></a>
<a class="link" href="for_each.html#fusion.algorithm.iteration.functions.for_each.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">iteration</span><span class="special">/</span><span class="identifier">for_each</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">for_each</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.algorithm.iteration.functions.for_each.example"></a><h6>
<a name="id958898"></a>
<a class="link" href="for_each.html#fusion.algorithm.iteration.functions.for_each.example">Example</a>
</h6>
<pre class="programlisting"><span class="keyword">struct</span> <span class="identifier">increment</span>
<span class="special">{</span>
<span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">void</span> <span class="keyword">operator</span><span class="special">()(</span><span class="identifier">T</span><span class="special">&amp;</span> <span class="identifier">t</span><span class="special">)</span> <span class="keyword">const</span>
<span class="special">{</span>
<span class="special">++</span><span class="identifier">t</span><span class="special">;</span>
<span class="special">}</span>
<span class="special">};</span>
<span class="special">...</span>
<a class="link" href="../../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special">&lt;</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">int</span><span class="special">&gt;</span> <span class="identifier">vec</span><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">);</span>
<a class="link" href="for_each.html" title="for_each"><code class="computeroutput"><span class="identifier">for_each</span></code></a><span class="special">(</span><span class="identifier">vec</span><span class="special">,</span> <span class="identifier">increment</span><span class="special">());</span>
<span class="identifier">assert</span><span class="special">(</span><span class="identifier">vec</span> <span class="special">==</span> <a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">2</span><span class="special">,</span><span class="number">3</span><span class="special">));</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
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<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
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<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.iteration.functions.iter_fold"></a><a class="link" href="iter_fold.html" title="iter_fold">iter_fold</a>
</h5></div></div></div>
<a name="fusion.algorithm.iteration.functions.iter_fold.description"></a><h6>
<a name="id953881"></a>
<a class="link" href="iter_fold.html#fusion.algorithm.iteration.functions.iter_fold.description">Description</a>
</h6>
<p>
For a sequence <code class="computeroutput"><span class="identifier">seq</span></code>, initial
state <code class="computeroutput"><span class="identifier">initial_state</span></code>,
and binary function object or function pointer <code class="computeroutput"><span class="identifier">f</span></code>,
<code class="literal">iter_fold</code> returns the result of the repeated application
of binary <code class="computeroutput"><span class="identifier">f</span></code> to the result
of the previous <code class="computeroutput"><span class="identifier">f</span></code> invocation
(<code class="computeroutput"><span class="identifier">inital_state</span></code> if it is
the first call) and iterators on each element of <code class="computeroutput"><span class="identifier">seq</span></code>.
</p>
<a name="fusion.algorithm.iteration.functions.iter_fold.synopsis"></a><h6>
<a name="id953957"></a>
<a class="link" href="iter_fold.html#fusion.algorithm.iteration.functions.iter_fold.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">State</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">F</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/iter_fold.html" title="iter_fold"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">iter_fold</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">F</span><span class="special">&gt;::</span><span class="identifier">type</span> iter_fold<span class="special">(</span>
<span class="identifier">Sequence</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">initial_state</span><span class="special">,</span> <span class="identifier">F</span> <span class="identifier">f</span><span class="special">);</span>
<span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">State</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">F</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/iter_fold.html" title="iter_fold"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">iter_fold</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">F</span><span class="special">&gt;::</span><span class="identifier">type</span> iter_fold<span class="special">(</span>
<span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">initial_state</span><span class="special">,</span> <span class="identifier">F</span> <span class="identifier">f</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id954306"></a><p class="title"><b>Table&#160;1.39.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">initial_state</span></code>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
Initial state
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">f</span></code>
</p>
</td>
<td>
<p>
<code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">s</span><span class="special">,</span>it<span class="special">)</span></code> with return type <code class="computeroutput"><a href="http://www.boost.org/libs/utility/utility.htm#result_of" target="_top"><code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">result_of</span></code></a><span class="special">&lt;</span><span class="identifier">F</span><span class="special">(</span><span class="identifier">S</span><span class="special">,</span>It<span class="special">)&gt;::</span><span class="identifier">type</span></code> for current state <code class="computeroutput"><span class="identifier">s</span></code> of type <code class="computeroutput"><span class="identifier">S</span></code>,
and for each iterator <code class="computeroutput"><span class="identifier">it</span></code>
of type <code class="computeroutput"><span class="identifier">It</span></code>
on an element of <code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.iteration.functions.iter_fold.expression_semantics"></a><h6>
<a name="id954563"></a>
<a class="link" href="iter_fold.html#fusion.algorithm.iteration.functions.iter_fold.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting">iter_fold<span class="special">(</span><span class="identifier">seq</span><span class="special">,</span> <span class="identifier">initial_state</span><span class="special">,</span> <span class="identifier">f</span><span class="special">);</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: Any type
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Equivalent to <code class="literal">f(...
f(f(initial_state,it1),it2) ...itN)</code> where <code class="literal">it1 ...itN</code>
are consecutive iterators on the elements of <code class="computeroutput"><span class="identifier">seq</span></code>.
</p>
<a name="fusion.algorithm.iteration.functions.iter_fold.complexity"></a><h6>
<a name="id954647"></a>
<a class="link" href="iter_fold.html#fusion.algorithm.iteration.functions.iter_fold.complexity">Complexity</a>
</h6>
<p>
Linear, exactly <code class="computeroutput"><a class="link" href="../../../sequence/intrinsic/metafunctions/size.html" title="size"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">size</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">&gt;::</span><span class="identifier">value</span></code> applications of <code class="computeroutput"><span class="identifier">f</span></code>.
</p>
<a name="fusion.algorithm.iteration.functions.iter_fold.header"></a><h6>
<a name="id954707"></a>
<a class="link" href="iter_fold.html#fusion.algorithm.iteration.functions.iter_fold.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">iteration</span><span class="special">/</span>iter_fold<span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span>iter_fold<span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.algorithm.iteration.functions.iter_fold.example"></a><h6>
<a name="id954817"></a>
<a class="link" href="iter_fold.html#fusion.algorithm.iteration.functions.iter_fold.example">Example</a>
</h6>
<pre class="programlisting"><span class="keyword">struct</span> <span class="identifier">make_string</span>
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="identifier">result_type</span><span class="special">;</span>
<span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="keyword">operator</span><span class="special">()(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">&amp;</span> <span class="identifier">str</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span><span class="special">&amp;</span> <span class="identifier">t</span><span class="special">)</span> <span class="keyword">const</span>
<span class="special">{</span>
<span class="keyword">return</span> <span class="identifier">str</span> <span class="special">+</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">lexical_cast</span><span class="special">&lt;</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">&gt;(</span><a class="link" href="../../../iterator/functions/deref.html" title="deref"><code class="computeroutput"><span class="identifier">deref</span></code></a>(t)<span class="special">);</span>
<span class="special">}</span>
<span class="special">};</span>
<span class="special">...</span>
<span class="keyword">const</span> <a class="link" href="../../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special">&lt;</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">int</span><span class="special">&gt;</span> <span class="identifier">vec</span><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">);</span>
<span class="identifier">assert</span><span class="special">(</span>iter_fold<span class="special">(</span><span class="identifier">vec</span><span class="special">,</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">(</span><span class="string">""</span><span class="special">),</span> <span class="identifier">make_string</span><span class="special">())</span> <span class="special">==</span> "12"<span class="special">);</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
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<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.iteration.functions.reverse_fold"></a><a class="link" href="reverse_fold.html" title="reverse_fold">reverse_fold</a>
</h5></div></div></div>
<a name="fusion.algorithm.iteration.functions.reverse_fold.description"></a><h6>
<a name="id950599"></a>
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.functions.reverse_fold.description">Description</a>
</h6>
<p>
For a sequence <code class="computeroutput"><span class="identifier">seq</span></code>, initial
state <code class="computeroutput"><span class="identifier">initial_state</span></code>,
and binary function object or function pointer <code class="computeroutput"><span class="identifier">f</span></code>,
<code class="literal">reverse_fold</code> returns the result of the repeated application
of binary <code class="computeroutput"><span class="identifier">f</span></code> to the result
of the previous <code class="computeroutput"><span class="identifier">f</span></code> invocation
(<code class="computeroutput"><span class="identifier">inital_state</span></code> if it is
the first call) and each element of <code class="computeroutput"><span class="identifier">seq</span></code>.
</p>
<a name="fusion.algorithm.iteration.functions.reverse_fold.synopsis"></a><h6>
<a name="id950678"></a>
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.functions.reverse_fold.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">State</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">F</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/reverse_fold.html" title="reverse_fold"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">reverse_fold</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">F</span><span class="special">&gt;::</span><span class="identifier">type</span> reverse_fold<span class="special">(</span>
<span class="identifier">Sequence</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">initial_state</span><span class="special">,</span> <span class="identifier">F</span> <span class="identifier">f</span><span class="special">);</span>
<span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">State</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">F</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/reverse_fold.html" title="reverse_fold"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">reverse_fold</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">F</span><span class="special">&gt;::</span><span class="identifier">type</span> reverse_fold<span class="special">(</span>
<span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">initial_state</span><span class="special">,</span> <span class="identifier">F</span> <span class="identifier">f</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id951030"></a><p class="title"><b>Table&#160;1.38.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/bidirectional_sequence.html" title="Bidirectional Sequence">Bidirectional
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">initial_state</span></code>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
Initial state
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">f</span></code>
</p>
</td>
<td>
<p>
<code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">s</span><span class="special">,</span>e<span class="special">)</span></code> with return type <code class="computeroutput"><a href="http://www.boost.org/libs/utility/utility.htm#result_of" target="_top"><code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">result_of</span></code></a><span class="special">&lt;</span><span class="identifier">F</span><span class="special">(</span><span class="identifier">S</span><span class="special">,</span>E<span class="special">)&gt;::</span><span class="identifier">type</span></code> for current state <code class="computeroutput"><span class="identifier">s</span></code> of type <code class="computeroutput"><span class="identifier">S</span></code>,
and for each element <code class="computeroutput"><span class="identifier">e</span></code>
of type <code class="computeroutput"><span class="identifier">E</span></code> in
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.iteration.functions.reverse_fold.expression_semantics"></a><h6>
<a name="id951287"></a>
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.functions.reverse_fold.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting">reverse_fold<span class="special">(</span><span class="identifier">seq</span><span class="special">,</span> <span class="identifier">initial_state</span><span class="special">,</span> <span class="identifier">f</span><span class="special">);</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: Any type
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Equivalent to <code class="literal">f(...
f(f(initial_state,eN),eN-1) ...e1)</code> where <code class="literal">e1 ...eN</code>
are the consecutive elements of <code class="computeroutput"><span class="identifier">seq</span></code>.
</p>
<a name="fusion.algorithm.iteration.functions.reverse_fold.complexity"></a><h6>
<a name="id951369"></a>
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.functions.reverse_fold.complexity">Complexity</a>
</h6>
<p>
Linear, exactly <code class="computeroutput"><a class="link" href="../../../sequence/intrinsic/metafunctions/size.html" title="size"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">size</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">&gt;::</span><span class="identifier">value</span></code> applications of <code class="computeroutput"><span class="identifier">f</span></code>.
</p>
<a name="fusion.algorithm.iteration.functions.reverse_fold.header"></a><h6>
<a name="id951432"></a>
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.functions.reverse_fold.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">iteration</span><span class="special">/</span>reverse_fold<span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span>reverse_fold<span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.algorithm.iteration.functions.reverse_fold.example"></a><h6>
<a name="id951547"></a>
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.functions.reverse_fold.example">Example</a>
</h6>
<pre class="programlisting"><span class="keyword">struct</span> <span class="identifier">make_string</span>
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="identifier">result_type</span><span class="special">;</span>
<span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="keyword">operator</span><span class="special">()(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">&amp;</span> <span class="identifier">str</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span><span class="special">&amp;</span> <span class="identifier">t</span><span class="special">)</span> <span class="keyword">const</span>
<span class="special">{</span>
<span class="keyword">return</span> <span class="identifier">str</span> <span class="special">+</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">lexical_cast</span><span class="special">&lt;</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">&gt;(</span>t<span class="special">);</span>
<span class="special">}</span>
<span class="special">};</span>
<span class="special">...</span>
<span class="keyword">const</span> <a class="link" href="../../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special">&lt;</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">int</span><span class="special">&gt;</span> <span class="identifier">vec</span><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">);</span>
<span class="identifier">assert</span><span class="special">(</span>reverse_fold<span class="special">(</span><span class="identifier">vec</span><span class="special">,</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">(</span><span class="string">""</span><span class="special">),</span> <span class="identifier">make_string</span><span class="special">())</span> <span class="special">==</span> "21"<span class="special">);</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
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<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.iteration.functions.reverse_iter_fold"></a><a class="link" href="reverse_iter_fold.html" title="reverse_iter_fold">reverse_iter_fold</a>
</h5></div></div></div>
<a name="fusion.algorithm.iteration.functions.reverse_iter_fold.description"></a><h6>
<a name="id955171"></a>
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.functions.reverse_iter_fold.description">Description</a>
</h6>
<p>
For a sequence <code class="computeroutput"><span class="identifier">seq</span></code>, initial
state <code class="computeroutput"><span class="identifier">initial_state</span></code>,
and binary function object or function pointer <code class="computeroutput"><span class="identifier">f</span></code>,
<code class="literal">reverse_iter_fold</code> returns the result of the repeated
application of binary <code class="computeroutput"><span class="identifier">f</span></code>
to the result of the previous <code class="computeroutput"><span class="identifier">f</span></code>
invocation (<code class="computeroutput"><span class="identifier">inital_state</span></code>
if it is the first call) and iterators on each element of <code class="computeroutput"><span class="identifier">seq</span></code>.
</p>
<a name="fusion.algorithm.iteration.functions.reverse_iter_fold.synopsis"></a><h6>
<a name="id955247"></a>
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.functions.reverse_iter_fold.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">State</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">F</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/reverse_iter_fold.html" title="reverse_iter_fold"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">reverse_iter_fold</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">F</span><span class="special">&gt;::</span><span class="identifier">type</span> reverse_iter_fold<span class="special">(</span>
<span class="identifier">Sequence</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">initial_state</span><span class="special">,</span> <span class="identifier">F</span> <span class="identifier">f</span><span class="special">);</span>
<span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">State</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">F</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/reverse_iter_fold.html" title="reverse_iter_fold"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">reverse_iter_fold</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">F</span><span class="special">&gt;::</span><span class="identifier">type</span> reverse_iter_fold<span class="special">(</span>
<span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">initial_state</span><span class="special">,</span> <span class="identifier">F</span> <span class="identifier">f</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id955603"></a><p class="title"><b>Table&#160;1.40.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/bidirectional_sequence.html" title="Bidirectional Sequence">Bidirectional
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">initial_state</span></code>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
Initial state
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">f</span></code>
</p>
</td>
<td>
<p>
<code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">s</span><span class="special">,</span>it<span class="special">)</span></code> with return type <code class="computeroutput"><a href="http://www.boost.org/libs/utility/utility.htm#result_of" target="_top"><code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">result_of</span></code></a><span class="special">&lt;</span><span class="identifier">F</span><span class="special">(</span><span class="identifier">S</span><span class="special">,</span>It<span class="special">)&gt;::</span><span class="identifier">type</span></code> for current state <code class="computeroutput"><span class="identifier">s</span></code> of type <code class="computeroutput"><span class="identifier">S</span></code>,
and for each iterator <code class="computeroutput"><span class="identifier">it</span></code>
of type <code class="computeroutput"><span class="identifier">It</span></code>
on an element of <code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.iteration.functions.reverse_iter_fold.expression_semantics"></a><h6>
<a name="id955860"></a>
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.functions.reverse_iter_fold.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting">reverse_iter_fold<span class="special">(</span><span class="identifier">seq</span><span class="special">,</span> <span class="identifier">initial_state</span><span class="special">,</span> <span class="identifier">f</span><span class="special">);</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: Any type
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Equivalent to <code class="literal">f(...
f(f(initial_state,itN),itN-1) ...it1)</code> where <code class="literal">it1 ...itN</code>
are consecutive iterators on the elements of <code class="computeroutput"><span class="identifier">seq</span></code>.
</p>
<a name="fusion.algorithm.iteration.functions.reverse_iter_fold.complexity"></a><h6>
<a name="id955942"></a>
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.functions.reverse_iter_fold.complexity">Complexity</a>
</h6>
<p>
Linear, exactly <code class="computeroutput"><a class="link" href="../../../sequence/intrinsic/metafunctions/size.html" title="size"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">size</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">&gt;::</span><span class="identifier">value</span></code> applications of <code class="computeroutput"><span class="identifier">f</span></code>.
</p>
<a name="fusion.algorithm.iteration.functions.reverse_iter_fold.header"></a><h6>
<a name="id956002"></a>
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.functions.reverse_iter_fold.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">iteration</span><span class="special">/</span>reverse_iter_fold<span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span>reverse_iter_fold<span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.algorithm.iteration.functions.reverse_iter_fold.example"></a><h6>
<a name="id956117"></a>
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.functions.reverse_iter_fold.example">Example</a>
</h6>
<pre class="programlisting"><span class="keyword">struct</span> <span class="identifier">make_string</span>
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="identifier">result_type</span><span class="special">;</span>
<span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="keyword">operator</span><span class="special">()(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">&amp;</span> <span class="identifier">str</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span><span class="special">&amp;</span> <span class="identifier">t</span><span class="special">)</span> <span class="keyword">const</span>
<span class="special">{</span>
<span class="keyword">return</span> <span class="identifier">str</span> <span class="special">+</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">lexical_cast</span><span class="special">&lt;</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">&gt;(</span><a class="link" href="../../../iterator/functions/deref.html" title="deref"><code class="computeroutput"><span class="identifier">deref</span></code></a>(t)<span class="special">);</span>
<span class="special">}</span>
<span class="special">};</span>
<span class="special">...</span>
<span class="keyword">const</span> <a class="link" href="../../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special">&lt;</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">int</span><span class="special">&gt;</span> <span class="identifier">vec</span><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">);</span>
<span class="identifier">assert</span><span class="special">(</span>reverse_iter_fold<span class="special">(</span><span class="identifier">vec</span><span class="special">,</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">(</span><span class="string">""</span><span class="special">),</span> <span class="identifier">make_string</span><span class="special">())</span> <span class="special">==</span> "21"<span class="special">);</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
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<a name="fusion.algorithm.iteration.metafunctions"></a><a class="link" href="metafunctions.html" title="Metafunctions">Metafunctions</a>
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<div class="toc"><dl>
<dt><span class="section"><a href="metafunctions/fold.html">fold</a></span></dt>
<dt><span class="section"><a href="metafunctions/reverse_fold.html">reverse_fold</a></span></dt>
<dt><span class="section"><a href="metafunctions/iter_fold.html">iter_fold</a></span></dt>
<dt><span class="section"><a href="metafunctions/reverse_iter_fold.html">reverse_iter_fold</a></span></dt>
<dt><span class="section"><a href="metafunctions/accumulate.html">accumulate</a></span></dt>
<dt><span class="section"><a href="metafunctions/for_each.html">for_each</a></span></dt>
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Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.iteration.metafunctions.accumulate"></a><a class="link" href="accumulate.html" title="accumulate">accumulate</a>
</h5></div></div></div>
<a name="fusion.algorithm.iteration.metafunctions.accumulate.description"></a><h6>
<a name="id962934"></a>
<a class="link" href="accumulate.html#fusion.algorithm.iteration.metafunctions.accumulate.description">Description</a>
</h6>
<p>
Returns the result type of <a class="link" href="../functions/accumulate.html" title="accumulate"><code class="computeroutput"><span class="identifier">accumulate</span></code></a>.
</p>
<a name="fusion.algorithm.iteration.metafunctions.accumulate.synopsis"></a><h6>
<a name="id962965"></a>
<a class="link" href="accumulate.html#fusion.algorithm.iteration.metafunctions.accumulate.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">State</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">F</span><span class="special">&gt;</span>
<span class="keyword">struct</span> accumulate
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="emphasis"><em>unspecified</em></span> <span class="identifier">type</span><span class="special">;</span>
<span class="special">};</span>
</pre>
<div class="table">
<a name="id963060"></a><p class="title"><b>Table&#160;1.47.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Sequence</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
The sequence to iterate
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">State</span></code>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
The initial state for the first application of <code class="computeroutput"><span class="identifier">F</span></code>
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">F</span></code>
</p>
</td>
<td>
<p>
<code class="computeroutput"><a href="http://www.boost.org/libs/utility/utility.htm#result_of" target="_top"><code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">result_of</span></code></a><span class="special">&lt;</span><span class="identifier">F</span><span class="special">(</span><span class="identifier">S</span><span class="special">,</span>E<span class="special">)&gt;::</span><span class="identifier">type</span></code> is the return type of
<code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">s</span><span class="special">,</span>e<span class="special">)</span></code> with current state <code class="computeroutput"><span class="identifier">s</span></code> of type <code class="computeroutput"><span class="identifier">S</span></code>,
and an element <code class="computeroutput"><span class="identifier">e</span></code>
of type <code class="computeroutput"><span class="identifier">E</span></code> in
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
The operation to be applied on traversal
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.iteration.metafunctions.accumulate.expression_semantics"></a><h6>
<a name="id963322"></a>
<a class="link" href="accumulate.html#fusion.algorithm.iteration.metafunctions.accumulate.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting">accumulate<span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">State</span><span class="special">,</span> <span class="identifier">F</span><span class="special">&gt;::</span><span class="identifier">type</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: Any type
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns the result of applying
<a class="link" href="../functions/accumulate.html" title="accumulate"><code class="computeroutput"><span class="identifier">accumulate</span></code></a> to a sequence of
type <code class="computeroutput"><span class="identifier">Sequence</span></code>, with an
initial state of type <code class="computeroutput"><span class="identifier">State</span></code>
and binary function object or function pointer of type <code class="computeroutput"><span class="identifier">F</span></code>.
</p>
<a name="fusion.algorithm.iteration.metafunctions.accumulate.complexity"></a><h6>
<a name="id963423"></a>
<a class="link" href="accumulate.html#fusion.algorithm.iteration.metafunctions.accumulate.complexity">Complexity</a>
</h6>
<p>
Linear, exactly <code class="computeroutput"><a class="link" href="../../../sequence/intrinsic/metafunctions/size.html" title="size"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">size</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">&gt;::</span><span class="identifier">value</span></code> applications of <code class="computeroutput"><span class="identifier">F</span></code>.
</p>
<a name="fusion.algorithm.iteration.metafunctions.accumulate.header"></a><h6>
<a name="id963486"></a>
<a class="link" href="accumulate.html#fusion.algorithm.iteration.metafunctions.accumulate.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">iteration</span><span class="special">/</span>accumulate<span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span>accumulate<span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
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<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.iteration.metafunctions.fold"></a><a class="link" href="fold.html" title="fold">fold</a>
</h5></div></div></div>
<a name="fusion.algorithm.iteration.metafunctions.fold.description"></a><h6>
<a name="id959162"></a>
<a class="link" href="fold.html#fusion.algorithm.iteration.metafunctions.fold.description">Description</a>
</h6>
<p>
Returns the result type of <a class="link" href="../functions/fold.html" title="fold"><code class="computeroutput"><span class="identifier">fold</span></code></a>.
</p>
<a name="fusion.algorithm.iteration.metafunctions.fold.synopsis"></a><h6>
<a name="id959191"></a>
<a class="link" href="fold.html#fusion.algorithm.iteration.metafunctions.fold.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">State</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">F</span><span class="special">&gt;</span>
<span class="keyword">struct</span> fold
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="emphasis"><em>unspecified</em></span> <span class="identifier">type</span><span class="special">;</span>
<span class="special">};</span>
</pre>
<div class="table">
<a name="id959284"></a><p class="title"><b>Table&#160;1.43.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Sequence</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
The sequence to iterate
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">State</span></code>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
The initial state for the first application of <code class="computeroutput"><span class="identifier">F</span></code>
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">F</span></code>
</p>
</td>
<td>
<p>
<code class="computeroutput"><a href="http://www.boost.org/libs/utility/utility.htm#result_of" target="_top"><code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">result_of</span></code></a><span class="special">&lt;</span><span class="identifier">F</span><span class="special">(</span><span class="identifier">S</span><span class="special">,</span>E<span class="special">)&gt;::</span><span class="identifier">type</span></code> is the return type of
<code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">s</span><span class="special">,</span>e<span class="special">)</span></code> with current state <code class="computeroutput"><span class="identifier">s</span></code> of type <code class="computeroutput"><span class="identifier">S</span></code>,
and an element <code class="computeroutput"><span class="identifier">e</span></code>
of type <code class="computeroutput"><span class="identifier">E</span></code> in
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
The operation to be applied on traversal
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.iteration.metafunctions.fold.expression_semantics"></a><h6>
<a name="id959546"></a>
<a class="link" href="fold.html#fusion.algorithm.iteration.metafunctions.fold.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting">fold<span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">State</span><span class="special">,</span> <span class="identifier">F</span><span class="special">&gt;::</span><span class="identifier">type</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: Any type
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns the result of applying
<a class="link" href="../functions/fold.html" title="fold"><code class="computeroutput"><span class="identifier">fold</span></code></a> to a sequence of type
<code class="computeroutput"><span class="identifier">Sequence</span></code>, with an initial
state of type <code class="computeroutput"><span class="identifier">State</span></code> and
binary function object or function pointer of type <code class="computeroutput"><span class="identifier">F</span></code>.
</p>
<a name="fusion.algorithm.iteration.metafunctions.fold.complexity"></a><h6>
<a name="id959647"></a>
<a class="link" href="fold.html#fusion.algorithm.iteration.metafunctions.fold.complexity">Complexity</a>
</h6>
<p>
Linear, exactly <code class="computeroutput"><a class="link" href="../../../sequence/intrinsic/metafunctions/size.html" title="size"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">size</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">&gt;::</span><span class="identifier">value</span></code> applications of <code class="computeroutput"><span class="identifier">F</span></code>.
</p>
<a name="fusion.algorithm.iteration.metafunctions.fold.header"></a><h6>
<a name="id959707"></a>
<a class="link" href="fold.html#fusion.algorithm.iteration.metafunctions.fold.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">iteration</span><span class="special">/</span>fold<span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span>fold<span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
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<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.iteration.metafunctions.for_each"></a><a class="link" href="for_each.html" title="for_each">for_each</a>
</h5></div></div></div>
<p>
A metafunction returning the result type of applying <a class="link" href="../functions/for_each.html" title="for_each"><code class="computeroutput"><span class="identifier">for_each</span></code></a> to a sequence. The
return type of <a class="link" href="../functions/for_each.html" title="for_each"><code class="computeroutput"><span class="identifier">for_each</span></code></a> is always <code class="computeroutput"><span class="keyword">void</span></code>.
</p>
<a name="fusion.algorithm.iteration.metafunctions.for_each.description"></a><h6>
<a name="id963642"></a>
<a class="link" href="for_each.html#fusion.algorithm.iteration.metafunctions.for_each.description">Description</a>
</h6>
<a name="fusion.algorithm.iteration.metafunctions.for_each.synopsis"></a><h6>
<a name="id963660"></a>
<a class="link" href="for_each.html#fusion.algorithm.iteration.metafunctions.for_each.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">F</span>
<span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">for_each</span>
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="keyword">void</span> <span class="identifier">type</span><span class="special">;</span>
<span class="special">};</span>
</pre>
<div class="table">
<a name="id963748"></a><p class="title"><b>Table&#160;1.48.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Sequence</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">F</span></code>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.iteration.metafunctions.for_each.expression_semantics"></a><h6>
<a name="id963867"></a>
<a class="link" href="for_each.html#fusion.algorithm.iteration.metafunctions.for_each.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="for_each.html" title="for_each"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">for_each</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">F</span><span class="special">&gt;::</span><span class="identifier">type</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: <code class="computeroutput"><span class="keyword">void</span></code>.
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns the return type of
<a class="link" href="../functions/for_each.html" title="for_each"><code class="computeroutput"><span class="identifier">for_each</span></code></a> for a sequence of type
<code class="computeroutput"><span class="identifier">Sequence</span></code> and a unary
function object <code class="computeroutput"><span class="identifier">F</span></code>. The
return type is always <code class="computeroutput"><span class="keyword">void</span></code>.
</p>
<a name="fusion.algorithm.iteration.metafunctions.for_each.complexity"></a><h6>
<a name="id964050"></a>
<a class="link" href="for_each.html#fusion.algorithm.iteration.metafunctions.for_each.complexity">Complexity</a>
</h6>
<p>
Constant.
</p>
<a name="fusion.algorithm.iteration.metafunctions.for_each.header"></a><h6>
<a name="id964072"></a>
<a class="link" href="for_each.html#fusion.algorithm.iteration.metafunctions.for_each.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">iteration</span><span class="special">/</span><span class="identifier">for_each</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">for_each</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
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<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.iteration.metafunctions.iter_fold"></a><a class="link" href="iter_fold.html" title="iter_fold">iter_fold</a>
</h5></div></div></div>
<a name="fusion.algorithm.iteration.metafunctions.iter_fold.description"></a><h6>
<a name="id960499"></a>
<a class="link" href="iter_fold.html#fusion.algorithm.iteration.metafunctions.iter_fold.description">Description</a>
</h6>
<p>
Returns the result type of <a class="link" href="../functions/iter_fold.html" title="iter_fold"><code class="computeroutput"><span class="identifier">iter_fold</span></code></a>.
</p>
<a name="fusion.algorithm.iteration.metafunctions.iter_fold.synopsis"></a><h6>
<a name="id960530"></a>
<a class="link" href="iter_fold.html#fusion.algorithm.iteration.metafunctions.iter_fold.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">State</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">F</span><span class="special">&gt;</span>
<span class="keyword">struct</span> iter_fold
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="emphasis"><em>unspecified</em></span> <span class="identifier">type</span><span class="special">;</span>
<span class="special">};</span>
</pre>
<div class="table">
<a name="id960625"></a><p class="title"><b>Table&#160;1.45.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Sequence</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
The sequence to iterate
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">State</span></code>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
The initial state for the first application of <code class="computeroutput"><span class="identifier">F</span></code>
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">F</span></code>
</p>
</td>
<td>
<p>
<code class="computeroutput"><a href="http://www.boost.org/libs/utility/utility.htm#result_of" target="_top"><code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">result_of</span></code></a><span class="special">&lt;</span><span class="identifier">F</span><span class="special">(</span><span class="identifier">S</span><span class="special">,</span>It<span class="special">)&gt;::</span><span class="identifier">type</span></code> is the return type of
<code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">s</span><span class="special">,</span>it<span class="special">)</span></code> with current state <code class="computeroutput"><span class="identifier">s</span></code> of type <code class="computeroutput"><span class="identifier">S</span></code>,
and an iterator <code class="computeroutput"><span class="identifier">it</span></code>
of type <code class="computeroutput"><span class="identifier">It</span></code>
on an element of <code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
The operation to be applied on traversal
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.iteration.metafunctions.iter_fold.expression_semantics"></a><h6>
<a name="id961981"></a>
<a class="link" href="iter_fold.html#fusion.algorithm.iteration.metafunctions.iter_fold.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting">iter_fold<span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">State</span><span class="special">,</span> <span class="identifier">F</span><span class="special">&gt;::</span><span class="identifier">type</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: Any type
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns the result of applying
<a class="link" href="../functions/iter_fold.html" title="iter_fold"><code class="computeroutput"><span class="identifier">iter_fold</span></code></a> to a sequence of type
<code class="computeroutput"><span class="identifier">Sequence</span></code>, with an initial
state of type <code class="computeroutput"><span class="identifier">State</span></code> and
binary function object or function pointer of type <code class="computeroutput"><span class="identifier">F</span></code>.
</p>
<a name="fusion.algorithm.iteration.metafunctions.iter_fold.complexity"></a><h6>
<a name="id962082"></a>
<a class="link" href="iter_fold.html#fusion.algorithm.iteration.metafunctions.iter_fold.complexity">Complexity</a>
</h6>
<p>
Linear, exactly <code class="computeroutput"><a class="link" href="../../../sequence/intrinsic/metafunctions/size.html" title="size"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">size</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">&gt;::</span><span class="identifier">value</span></code> applications of <code class="computeroutput"><span class="identifier">F</span></code>.
</p>
<a name="fusion.algorithm.iteration.metafunctions.iter_fold.header"></a><h6>
<a name="id962144"></a>
<a class="link" href="iter_fold.html#fusion.algorithm.iteration.metafunctions.iter_fold.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">iteration</span><span class="special">/</span>iter_fold<span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span>iter_fold<span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
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<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.iteration.metafunctions.reverse_fold"></a><a class="link" href="reverse_fold.html" title="reverse_fold">reverse_fold</a>
</h5></div></div></div>
<a name="fusion.algorithm.iteration.metafunctions.reverse_fold.description"></a><h6>
<a name="id959828"></a>
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.metafunctions.reverse_fold.description">Description</a>
</h6>
<p>
Returns the result type of <a class="link" href="../functions/reverse_fold.html" title="reverse_fold"><code class="computeroutput"><span class="identifier">reverse_fold</span></code></a>.
</p>
<a name="fusion.algorithm.iteration.metafunctions.reverse_fold.synopsis"></a><h6>
<a name="id959857"></a>
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.metafunctions.reverse_fold.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">State</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">F</span><span class="special">&gt;</span>
<span class="keyword">struct</span> reverse_fold
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="emphasis"><em>unspecified</em></span> <span class="identifier">type</span><span class="special">;</span>
<span class="special">};</span>
</pre>
<div class="table">
<a name="id959952"></a><p class="title"><b>Table&#160;1.44.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Sequence</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/bidirectional_sequence.html" title="Bidirectional Sequence">Bidirectional
Sequence</a>
</p>
</td>
<td>
<p>
The sequence to iterate
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">State</span></code>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
The initial state for the first application of <code class="computeroutput"><span class="identifier">F</span></code>
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">F</span></code>
</p>
</td>
<td>
<p>
<code class="computeroutput"><a href="http://www.boost.org/libs/utility/utility.htm#result_of" target="_top"><code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">result_of</span></code></a><span class="special">&lt;</span><span class="identifier">F</span><span class="special">(</span><span class="identifier">S</span><span class="special">,</span>E<span class="special">)&gt;::</span><span class="identifier">type</span></code> is the return type of
<code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">s</span><span class="special">,</span>e<span class="special">)</span></code> with current state <code class="computeroutput"><span class="identifier">s</span></code> of type <code class="computeroutput"><span class="identifier">S</span></code>,
and an element <code class="computeroutput"><span class="identifier">e</span></code>
of type <code class="computeroutput"><span class="identifier">E</span></code> in
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
The operation to be applied on traversal
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.iteration.metafunctions.reverse_fold.expression_semantics"></a><h6>
<a name="id960215"></a>
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.metafunctions.reverse_fold.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting">reverse_fold<span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">State</span><span class="special">,</span> <span class="identifier">F</span><span class="special">&gt;::</span><span class="identifier">type</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: Any type
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns the result of applying
<a class="link" href="../functions/reverse_fold.html" title="reverse_fold"><code class="computeroutput"><span class="identifier">reverse_fold</span></code></a> to a sequence of
type <code class="computeroutput"><span class="identifier">Sequence</span></code>, with an
initial state of type <code class="computeroutput"><span class="identifier">State</span></code>
and binary function object or function pointer of type <code class="computeroutput"><span class="identifier">F</span></code>.
</p>
<a name="fusion.algorithm.iteration.metafunctions.reverse_fold.complexity"></a><h6>
<a name="id960313"></a>
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.metafunctions.reverse_fold.complexity">Complexity</a>
</h6>
<p>
Linear, exactly <code class="computeroutput"><a class="link" href="../../../sequence/intrinsic/metafunctions/size.html" title="size"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">size</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">&gt;::</span><span class="identifier">value</span></code> applications of <code class="computeroutput"><span class="identifier">F</span></code>.
</p>
<a name="fusion.algorithm.iteration.metafunctions.reverse_fold.header"></a><h6>
<a name="id960373"></a>
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.metafunctions.reverse_fold.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">iteration</span><span class="special">/</span>reverse_fold<span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span>reverse_fold<span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
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<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.iteration.metafunctions.reverse_iter_fold"></a><a class="link" href="reverse_iter_fold.html" title="reverse_iter_fold">reverse_iter_fold</a>
</h5></div></div></div>
<a name="fusion.algorithm.iteration.metafunctions.reverse_iter_fold.description"></a><h6>
<a name="id962272"></a>
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.metafunctions.reverse_iter_fold.description">Description</a>
</h6>
<p>
Returns the result type of <a class="link" href="../functions/reverse_iter_fold.html" title="reverse_iter_fold"><code class="computeroutput"><span class="identifier">reverse_iter_fold</span></code></a>.
</p>
<a name="fusion.algorithm.iteration.metafunctions.reverse_iter_fold.synopsis"></a><h6>
<a name="id962299"></a>
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.metafunctions.reverse_iter_fold.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">State</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">F</span><span class="special">&gt;</span>
<span class="keyword">struct</span> reverse_iter_fold
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="emphasis"><em>unspecified</em></span> <span class="identifier">type</span><span class="special">;</span>
<span class="special">};</span>
</pre>
<div class="table">
<a name="id962391"></a><p class="title"><b>Table&#160;1.46.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Sequence</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/bidirectional_sequence.html" title="Bidirectional Sequence">Bidirectional
Sequence</a>
</p>
</td>
<td>
<p>
The sequence to iterate
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">State</span></code>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
The initial state for the first application of <code class="computeroutput"><span class="identifier">F</span></code>
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">F</span></code>
</p>
</td>
<td>
<p>
<code class="computeroutput"><a href="http://www.boost.org/libs/utility/utility.htm#result_of" target="_top"><code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">result_of</span></code></a><span class="special">&lt;</span><span class="identifier">F</span><span class="special">(</span><span class="identifier">S</span><span class="special">,</span>It<span class="special">)&gt;::</span><span class="identifier">type</span></code> is the return type of
<code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">s</span><span class="special">,</span>it<span class="special">)</span></code> with current state <code class="computeroutput"><span class="identifier">s</span></code> of type <code class="computeroutput"><span class="identifier">S</span></code>,
and an iterator <code class="computeroutput"><span class="identifier">it</span></code>
of type <code class="computeroutput"><span class="identifier">It</span></code>
on an element of <code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
The operation to be applied on traversal
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.iteration.metafunctions.reverse_iter_fold.expression_semantics"></a><h6>
<a name="id962654"></a>
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.metafunctions.reverse_iter_fold.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting">reverse_iter_fold<span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">State</span><span class="special">,</span> <span class="identifier">F</span><span class="special">&gt;::</span><span class="identifier">type</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: Any type
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns the result of applying
<a class="link" href="../functions/reverse_iter_fold.html" title="reverse_iter_fold"><code class="computeroutput"><span class="identifier">reverse_iter_fold</span></code></a> to a sequence
of type <code class="computeroutput"><span class="identifier">Sequence</span></code>, with
an initial state of type <code class="computeroutput"><span class="identifier">State</span></code>
and binary function object or function pointer of type <code class="computeroutput"><span class="identifier">F</span></code>.
</p>
<a name="fusion.algorithm.iteration.metafunctions.reverse_iter_fold.complexity"></a><h6>
<a name="id962752"></a>
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.metafunctions.reverse_iter_fold.complexity">Complexity</a>
</h6>
<p>
Linear, exactly <code class="computeroutput"><a class="link" href="../../../sequence/intrinsic/metafunctions/size.html" title="size"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">size</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">&gt;::</span><span class="identifier">value</span></code> applications of <code class="computeroutput"><span class="identifier">F</span></code>.
</p>
<a name="fusion.algorithm.iteration.metafunctions.reverse_iter_fold.header"></a><h6>
<a name="id962810"></a>
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.metafunctions.reverse_iter_fold.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">iteration</span><span class="special">/</span>reverse_iter_fold<span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span>reverse_iter_fold<span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
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<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="fusion.algorithm.query"></a><a class="link" href="query.html" title="Query">Query</a>
</h3></div></div></div>
<div class="toc"><dl>
<dt><span class="section"><a href="query/functions.html">Functions</a></span></dt>
<dt><span class="section"><a href="query/metafunctions.html">Metafunctions</a></span></dt>
</dl></div>
<p>
The query algorithms provide support for searching and analyzing sequences.
</p>
<a name="fusion.algorithm.query.header"></a><h5>
<a name="id964206"></a>
<a class="link" href="query.html#fusion.algorithm.query.header">Header</a>
</h5>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">query</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">query</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
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<a name="fusion.algorithm.query.functions"></a><a class="link" href="functions.html" title="Functions">Functions</a>
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<div class="toc"><dl>
<dt><span class="section"><a href="functions/any.html">any</a></span></dt>
<dt><span class="section"><a href="functions/all.html">all</a></span></dt>
<dt><span class="section"><a href="functions/none.html">none</a></span></dt>
<dt><span class="section"><a href="functions/find.html">find</a></span></dt>
<dt><span class="section"><a href="functions/find_if.html">find_if</a></span></dt>
<dt><span class="section"><a href="functions/count.html">count</a></span></dt>
<dt><span class="section"><a href="functions/count_if.html">count_if</a></span></dt>
</dl></div>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
<title>all</title>
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</div>
<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.query.functions.all"></a><a class="link" href="all.html" title="all">all</a>
</h5></div></div></div>
<a name="fusion.algorithm.query.functions.all.description"></a><h6>
<a name="id965204"></a>
<a class="link" href="all.html#fusion.algorithm.query.functions.all.description">Description</a>
</h6>
<p>
For a sequence <code class="computeroutput"><span class="identifier">seq</span></code> and
unary function object <code class="computeroutput"><span class="identifier">f</span></code>,
<code class="computeroutput"><span class="identifier">all</span></code> returns true if
<code class="computeroutput"><span class="identifier">f</span></code> returns true for every
element of <code class="computeroutput"><span class="identifier">seq</span></code>.
</p>
<a name="fusion.algorithm.query.functions.all.synopsis"></a><h6>
<a name="id965257"></a>
<a class="link" href="all.html#fusion.algorithm.query.functions.all.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">F</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/all.html" title="all"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">all</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span><span class="identifier">F</span><span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">all</span><span class="special">(</span>
<span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">F</span> <span class="identifier">f</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id965393"></a><p class="title"><b>Table&#160;1.50.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>, <code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">e</span><span class="special">)</span></code> is a valid expression, convertible
to <code class="computeroutput"><span class="keyword">bool</span></code>, for every
element <code class="computeroutput"><span class="identifier">e</span></code> in
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
The sequence to search
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">f</span></code>
</p>
</td>
<td>
<p>
A unary function object
</p>
</td>
<td>
<p>
The search predicate
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.query.functions.all.expression_semantics"></a><h6>
<a name="id965555"></a>
<a class="link" href="all.html#fusion.algorithm.query.functions.all.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="all.html" title="all"><code class="computeroutput"><span class="identifier">all</span></code></a><span class="special">(</span><span class="identifier">seq</span><span class="special">,</span> <span class="identifier">f</span><span class="special">);</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: <code class="computeroutput"><span class="keyword">bool</span></code>
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns true if and only
if <code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">e</span><span class="special">)</span></code>
evaluates to <code class="computeroutput"><span class="keyword">true</span></code> for every
element <code class="computeroutput"><span class="identifier">e</span></code> in <code class="computeroutput"><span class="identifier">seq</span></code>.
</p>
<a name="fusion.algorithm.query.functions.all.complexity"></a><h6>
<a name="id965666"></a>
<a class="link" href="all.html#fusion.algorithm.query.functions.all.complexity">Complexity</a>
</h6>
<p>
Linear. At most <code class="computeroutput"><a class="link" href="../../../sequence/intrinsic/metafunctions/size.html" title="size"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">size</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">&gt;::</span><span class="identifier">value</span></code> comparisons.
</p>
<a name="fusion.algorithm.query.functions.all.header"></a><h6>
<a name="id965717"></a>
<a class="link" href="all.html#fusion.algorithm.query.functions.all.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">query</span><span class="special">/</span><span class="identifier">all</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">all</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.algorithm.query.functions.all.example"></a><h6>
<a name="id965832"></a>
<a class="link" href="all.html#fusion.algorithm.query.functions.all.example">Example</a>
</h6>
<pre class="programlisting"><span class="keyword">struct</span> <span class="identifier">odd</span>
<span class="special">{</span>
<span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">bool</span> <span class="keyword">operator</span><span class="special">()(</span><span class="identifier">T</span> <span class="identifier">t</span><span class="special">)</span> <span class="keyword">const</span>
<span class="special">{</span>
<span class="keyword">return</span> <span class="identifier">t</span> <span class="special">%</span> <span class="number">2</span><span class="special">;</span>
<span class="special">}</span>
<span class="special">};</span>
<span class="special">...</span>
<span class="identifier">assert</span><span class="special">(</span><a class="link" href="all.html" title="all"><code class="computeroutput"><span class="identifier">all</span></code></a><span class="special">(</span><a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">3</span><span class="special">),</span> <span class="identifier">odd</span><span class="special">()));</span>
<span class="identifier">assert</span><span class="special">(!</span><a class="link" href="all.html" title="all"><code class="computeroutput"><span class="identifier">all</span></code></a><span class="special">(</span><a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">),</span> <span class="identifier">odd</span><span class="special">()));</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
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<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.query.functions.any"></a><a class="link" href="any.html" title="any">any</a>
</h5></div></div></div>
<a name="fusion.algorithm.query.functions.any.description"></a><h6>
<a name="id964333"></a>
<a class="link" href="any.html#fusion.algorithm.query.functions.any.description">Description</a>
</h6>
<p>
For a sequence <code class="computeroutput"><span class="identifier">seq</span></code> and
unary function object <code class="computeroutput"><span class="identifier">f</span></code>,
<code class="computeroutput"><span class="identifier">any</span></code> returns true if
<code class="computeroutput"><span class="identifier">f</span></code> returns true for at
least one element of <code class="computeroutput"><span class="identifier">seq</span></code>.
</p>
<a name="fusion.algorithm.query.functions.any.synopsis"></a><h6>
<a name="id964386"></a>
<a class="link" href="any.html#fusion.algorithm.query.functions.any.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">F</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/any.html" title="any"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">any</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span><span class="identifier">F</span><span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">any</span><span class="special">(</span>
<span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">F</span> <span class="identifier">f</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id964522"></a><p class="title"><b>Table&#160;1.49.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>, <code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">e</span><span class="special">)</span></code> must be a valid expression,
convertible to <code class="computeroutput"><span class="keyword">bool</span></code>,
for each element <code class="computeroutput"><span class="identifier">e</span></code>
in <code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
The sequence to search
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">f</span></code>
</p>
</td>
<td>
<p>
A unary function object
</p>
</td>
<td>
<p>
The search predicate
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.query.functions.any.expression_semantics"></a><h6>
<a name="id964682"></a>
<a class="link" href="any.html#fusion.algorithm.query.functions.any.expression_semantics">Expression
semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="any.html" title="any"><code class="computeroutput"><span class="identifier">any</span></code></a><span class="special">(</span><span class="identifier">seq</span><span class="special">,</span> <span class="identifier">f</span><span class="special">);</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: <code class="computeroutput"><span class="keyword">bool</span></code>
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns true if and only
if <code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">e</span><span class="special">)</span></code>
evaluates to <code class="computeroutput"><span class="keyword">true</span></code> for some
element <code class="computeroutput"><span class="identifier">e</span></code> in <code class="computeroutput"><span class="identifier">seq</span></code>.
</p>
<a name="fusion.algorithm.query.functions.any.complexity"></a><h6>
<a name="id964794"></a>
<a class="link" href="any.html#fusion.algorithm.query.functions.any.complexity">Complexity</a>
</h6>
<p>
Linear. At most <code class="computeroutput"><a class="link" href="../../../sequence/intrinsic/metafunctions/size.html" title="size"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">size</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">&gt;::</span><span class="identifier">value</span></code> comparisons.
</p>
<a name="fusion.algorithm.query.functions.any.header"></a><h6>
<a name="id964844"></a>
<a class="link" href="any.html#fusion.algorithm.query.functions.any.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">query</span><span class="special">/</span><span class="identifier">any</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">any</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.algorithm.query.functions.any.example"></a><h6>
<a name="id964960"></a>
<a class="link" href="any.html#fusion.algorithm.query.functions.any.example">Example</a>
</h6>
<pre class="programlisting"><span class="keyword">struct</span> <span class="identifier">odd</span>
<span class="special">{</span>
<span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">bool</span> <span class="keyword">operator</span><span class="special">()(</span><span class="identifier">T</span> <span class="identifier">t</span><span class="special">)</span> <span class="keyword">const</span>
<span class="special">{</span>
<span class="keyword">return</span> <span class="identifier">t</span> <span class="special">%</span> <span class="number">2</span><span class="special">;</span>
<span class="special">}</span>
<span class="special">};</span>
<span class="special">...</span>
<span class="identifier">assert</span><span class="special">(</span><a class="link" href="any.html" title="any"><code class="computeroutput"><span class="identifier">any</span></code></a><span class="special">(</span><a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">),</span> <span class="identifier">odd</span><span class="special">()));</span>
<span class="identifier">assert</span><span class="special">(!</span><a class="link" href="any.html" title="any"><code class="computeroutput"><span class="identifier">any</span></code></a><span class="special">(</span><a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">2</span><span class="special">,</span><span class="number">4</span><span class="special">),</span> <span class="identifier">odd</span><span class="special">()));</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
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<a accesskey="p" href="../functions.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../functions.html"><img src="../../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="all.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a>
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<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.query.functions.count"></a><a class="link" href="count.html" title="count">count</a>
</h5></div></div></div>
<a name="fusion.algorithm.query.functions.count.description"></a><h6>
<a name="id971882"></a>
<a class="link" href="count.html#fusion.algorithm.query.functions.count.description">Description</a>
</h6>
<p>
Returns the number of elements of a given type within a sequence.
</p>
<a name="fusion.algorithm.query.functions.count.synopsis"></a><h6>
<a name="id971898"></a>
<a class="link" href="count.html#fusion.algorithm.query.functions.count.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">T</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/count.html" title="count"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">count</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">T</span><span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">count</span><span class="special">(</span>
<span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">T</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">t</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id972044"></a><p class="title"><b>Table&#160;1.54.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>, <code class="computeroutput"><span class="identifier">e</span>
<span class="special">==</span> <span class="identifier">t</span></code>
must be a valid expression, convertible to <code class="computeroutput"><span class="keyword">bool</span></code>,
for each element <code class="computeroutput"><span class="identifier">e</span></code>
in <code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
The sequence to search
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">T</span></code>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
The type to count
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.query.functions.count.expression_semantics"></a><h6>
<a name="id972204"></a>
<a class="link" href="count.html#fusion.algorithm.query.functions.count.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="count.html" title="count"><code class="computeroutput"><span class="identifier">count</span></code></a><span class="special">(</span><span class="identifier">seq</span><span class="special">,</span> <span class="identifier">t</span><span class="special">);</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: <code class="computeroutput"><span class="keyword">int</span></code>
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns the number of elements
of type <code class="computeroutput"><span class="identifier">T</span></code> and equal to
<code class="computeroutput"><span class="identifier">t</span></code> in <code class="computeroutput"><span class="identifier">seq</span></code>.
</p>
<a name="fusion.algorithm.query.functions.count.complexity"></a><h6>
<a name="id972298"></a>
<a class="link" href="count.html#fusion.algorithm.query.functions.count.complexity">Complexity</a>
</h6>
<p>
Linear. At most <code class="computeroutput"><a class="link" href="../../../sequence/intrinsic/metafunctions/size.html" title="size"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">size</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">&gt;::</span><span class="identifier">value</span></code> comparisons.
</p>
<a name="fusion.algorithm.query.functions.count.header"></a><h6>
<a name="id972348"></a>
<a class="link" href="count.html#fusion.algorithm.query.functions.count.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">query</span><span class="special">/</span><span class="identifier">count</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">count</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.algorithm.query.functions.count.example"></a><h6>
<a name="id972464"></a>
<a class="link" href="count.html#fusion.algorithm.query.functions.count.example">Example</a>
</h6>
<pre class="programlisting"><span class="keyword">const</span> <a class="link" href="../../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special">&lt;</span><span class="keyword">double</span><span class="special">,</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">int</span><span class="special">&gt;</span> <span class="identifier">vec</span><span class="special">(</span><span class="number">1.0</span><span class="special">,</span><span class="number">2</span><span class="special">,</span><span class="number">3</span><span class="special">);</span>
<span class="identifier">assert</span><span class="special">(</span><a class="link" href="count.html" title="count"><code class="computeroutput"><span class="identifier">count</span></code></a><span class="special">(</span><span class="identifier">vec</span><span class="special">,</span><span class="number">2</span><span class="special">)</span> <span class="special">==</span> <span class="number">1</span><span class="special">);</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
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<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.query.functions.count_if"></a><a class="link" href="count_if.html" title="count_if">count_if</a>
</h5></div></div></div>
<a name="fusion.algorithm.query.functions.count_if.description"></a><h6>
<a name="id972609"></a>
<a class="link" href="count_if.html#fusion.algorithm.query.functions.count_if.description">Description</a>
</h6>
<p>
Returns the number of elements within a sequence with a type for which
a given unary function object evaluates to <code class="computeroutput"><span class="keyword">true</span></code>.
</p>
<a name="fusion.algorithm.query.functions.count_if.synopsis"></a><h6>
<a name="id972633"></a>
<a class="link" href="count_if.html#fusion.algorithm.query.functions.count_if.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">F</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/count_if.html" title="count_if"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">count_if</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">F</span><span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">count_if</span><span class="special">(</span>
<span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">F</span> <span class="identifier">f</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id972770"></a><p class="title"><b>Table&#160;1.55.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>, <code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">e</span><span class="special">)</span></code> is a valid expression, convertible
to <code class="computeroutput"><span class="keyword">bool</span></code>, for each
element <code class="computeroutput"><span class="identifier">e</span></code> in
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
The sequence to search
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">f</span></code>
</p>
</td>
<td>
<p>
A unary function object
</p>
</td>
<td>
<p>
The search predicate
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.query.functions.count_if.expression_semantics"></a><h6>
<a name="id972932"></a>
<a class="link" href="count_if.html#fusion.algorithm.query.functions.count_if.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="count_if.html" title="count_if"><code class="computeroutput"><span class="identifier">count_if</span></code></a><span class="special">(</span><span class="identifier">seq</span><span class="special">,</span> <span class="identifier">f</span><span class="special">)</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: <code class="computeroutput"><span class="keyword">int</span></code>
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns the number of elements
in <code class="computeroutput"><span class="identifier">seq</span></code> where <code class="computeroutput"><span class="identifier">f</span></code> evaluates to <code class="computeroutput"><span class="keyword">true</span></code>.
</p>
<a name="fusion.algorithm.query.functions.count_if.complexity"></a><h6>
<a name="id973025"></a>
<a class="link" href="count_if.html#fusion.algorithm.query.functions.count_if.complexity">Complexity</a>
</h6>
<p>
Linear. At most <code class="computeroutput"><a class="link" href="../../../sequence/intrinsic/metafunctions/size.html" title="size"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">size</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">&gt;::</span><span class="identifier">value</span></code> comparisons.
</p>
<a name="fusion.algorithm.query.functions.count_if.header"></a><h6>
<a name="id973076"></a>
<a class="link" href="count_if.html#fusion.algorithm.query.functions.count_if.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">query</span><span class="special">/</span><span class="identifier">count_if</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">count_if</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.algorithm.query.functions.count_if.example"></a><h6>
<a name="id973191"></a>
<a class="link" href="count_if.html#fusion.algorithm.query.functions.count_if.example">Example</a>
</h6>
<pre class="programlisting"><span class="keyword">const</span> <a class="link" href="../../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special">&lt;</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">int</span><span class="special">&gt;</span> <span class="identifier">vec</span><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">,</span><span class="number">3</span><span class="special">);</span>
<span class="identifier">assert</span><span class="special">(</span><a class="link" href="count_if.html" title="count_if"><code class="computeroutput"><span class="identifier">count_if</span></code></a><span class="special">(</span><span class="identifier">vec</span><span class="special">,</span><span class="identifier">odd</span><span class="special">())</span> <span class="special">==</span> <span class="number">2</span><span class="special">);</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
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</div>
<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.query.functions.find"></a><a class="link" href="find.html" title="find">find</a>
</h5></div></div></div>
<a name="fusion.algorithm.query.functions.find.description"></a><h6>
<a name="id969232"></a>
<a class="link" href="find.html#fusion.algorithm.query.functions.find.description">Description</a>
</h6>
<p>
Finds the first element of a given type within a sequence.
</p>
<a name="fusion.algorithm.query.functions.find.synopsis"></a><h6>
<a name="id969249"></a>
<a class="link" href="find.html#fusion.algorithm.query.functions.find.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">T</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span>
<span class="special">&gt;</span>
<span class="emphasis"><em>unspecified</em></span> <span class="identifier">find</span><span class="special">(</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">);</span>
<span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">T</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span>
<span class="special">&gt;</span>
<span class="emphasis"><em>unspecified</em></span> <span class="identifier">find</span><span class="special">(</span><span class="identifier">Sequence</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id969394"></a><p class="title"><b>Table&#160;1.52.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
The sequence to search
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">T</span></code>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
The type to search for
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.query.functions.find.expression_semantics"></a><h6>
<a name="id969516"></a>
<a class="link" href="find.html#fusion.algorithm.query.functions.find.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="find.html" title="find"><code class="computeroutput"><span class="identifier">find</span></code></a><span class="special">&lt;</span><span class="identifier">T</span><span class="special">&gt;(</span><span class="identifier">seq</span><span class="special">)</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: A model of the same iterator
category as the iterators of <code class="computeroutput"><span class="identifier">seq</span></code>.
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns an iterator to the
first element of <code class="computeroutput"><span class="identifier">seq</span></code>
of type <code class="computeroutput"><span class="identifier">T</span></code>, or <code class="computeroutput"><a class="link" href="../../../sequence/intrinsic/functions/end.html" title="end"><code class="computeroutput"><span class="identifier">end</span></code></a><span class="special">(</span><span class="identifier">seq</span><span class="special">)</span></code> if there is no such element. Equivalent
to <code class="computeroutput"><a class="link" href="find_if.html" title="find_if"><code class="computeroutput"><span class="identifier">find_if</span></code></a><span class="special">&lt;</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">is_same</span><span class="special">&lt;</span><span class="identifier">_</span><span class="special">,</span> <span class="identifier">T</span><span class="special">&gt;</span> <span class="special">&gt;(</span><span class="identifier">seq</span><span class="special">)</span></code>
</p>
<a name="fusion.algorithm.query.functions.find.complexity"></a><h6>
<a name="id969684"></a>
<a class="link" href="find.html#fusion.algorithm.query.functions.find.complexity">Complexity</a>
</h6>
<p>
Linear. At most <code class="computeroutput"><a class="link" href="../../../sequence/intrinsic/metafunctions/size.html" title="size"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">size</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">&gt;::</span><span class="identifier">value</span></code> comparisons.
</p>
<a name="fusion.algorithm.query.functions.find.header"></a><h6>
<a name="id969734"></a>
<a class="link" href="find.html#fusion.algorithm.query.functions.find.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">query</span><span class="special">/</span><span class="identifier">find</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">find</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.algorithm.query.functions.find.example"></a><h6>
<a name="id969849"></a>
<a class="link" href="find.html#fusion.algorithm.query.functions.find.example">Example</a>
</h6>
<pre class="programlisting"><span class="keyword">const</span> <a class="link" href="../../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special">&lt;</span><span class="keyword">char</span><span class="special">,</span><span class="keyword">int</span><span class="special">&gt;</span> <span class="identifier">vec</span><span class="special">(</span><span class="char">'a'</span><span class="special">,</span><span class="char">'0'</span><span class="special">);</span>
<span class="identifier">assert</span><span class="special">(*</span><a class="link" href="find.html" title="find"><code class="computeroutput"><span class="identifier">find</span></code></a><span class="special">&lt;</span><span class="keyword">int</span><span class="special">&gt;(</span><span class="identifier">vec</span><span class="special">)</span> <span class="special">==</span> <span class="char">'0'</span><span class="special">);</span>
<span class="identifier">assert</span><span class="special">(</span><a class="link" href="find.html" title="find"><code class="computeroutput"><span class="identifier">find</span></code></a><span class="special">&lt;</span><span class="keyword">double</span><span class="special">&gt;(</span><span class="identifier">vec</span><span class="special">)</span> <span class="special">==</span> <a class="link" href="../../../sequence/intrinsic/functions/end.html" title="end"><code class="computeroutput"><span class="identifier">end</span></code></a><span class="special">(</span><span class="identifier">vec</span><span class="special">));</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
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<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.query.functions.find_if"></a><a class="link" href="find_if.html" title="find_if">find_if</a>
</h5></div></div></div>
<p>
Finds the first element within a sequence with a type for which a given
<a href="http://www.boost.org/libs/mpl/doc/refmanual/lambda-expression.html" target="_top">MPL
Lambda Expression</a> evaluates to <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">mpl</span><span class="special">::</span><span class="identifier">true_</span></code>.
</p>
<a name="fusion.algorithm.query.functions.find_if.description"></a><h6>
<a name="id970070"></a>
<a class="link" href="find_if.html#fusion.algorithm.query.functions.find_if.description">Description</a>
</h6>
<a name="fusion.algorithm.query.functions.find_if.synopsis"></a><h6>
<a name="id970083"></a>
<a class="link" href="find_if.html#fusion.algorithm.query.functions.find_if.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">F</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span>
<span class="special">&gt;</span>
<span class="emphasis"><em>unspecified</em></span> <span class="identifier">find_if</span><span class="special">(</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">);</span>
<span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">F</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span>
<span class="special">&gt;</span>
<span class="emphasis"><em>unspecified</em></span> <span class="identifier">find_if</span><span class="special">(</span><span class="identifier">Sequence</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id970228"></a><p class="title"><b>Table&#160;1.53.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
The sequence to search
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">F</span></code>
</p>
</td>
<td>
<p>
A unary <a href="http://www.boost.org/libs/mpl/doc/refmanual/lambda-expression.html" target="_top">MPL
Lambda Expression</a>
</p>
</td>
<td>
<p>
The search predicate
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.query.functions.find_if.expression_semantics"></a><h6>
<a name="id970354"></a>
<a class="link" href="find_if.html#fusion.algorithm.query.functions.find_if.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="find_if.html" title="find_if"><code class="computeroutput"><span class="identifier">find_if</span></code></a><span class="special">&lt;</span><span class="identifier">F</span><span class="special">&gt;(</span><span class="identifier">seq</span><span class="special">)</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: An iterator of the same
iterator category as the iterators of <code class="computeroutput"><span class="identifier">seq</span></code>.
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns the first element
of <code class="computeroutput"><span class="identifier">seq</span></code> for which <a href="http://www.boost.org/libs/mpl/doc/refmanual/lambda-expression.html" target="_top">MPL
Lambda Expression</a> <code class="computeroutput"><span class="identifier">F</span></code>
evaluates to <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">mpl</span><span class="special">::</span><span class="identifier">true_</span></code>, or <code class="computeroutput"><a class="link" href="../../../sequence/intrinsic/functions/end.html" title="end"><code class="computeroutput"><span class="identifier">end</span></code></a><span class="special">(</span><span class="identifier">seq</span><span class="special">)</span></code>
if there is no such element.
</p>
<a name="fusion.algorithm.query.functions.find_if.complexity"></a><h6>
<a name="id970489"></a>
<a class="link" href="find_if.html#fusion.algorithm.query.functions.find_if.complexity">Complexity</a>
</h6>
<p>
Linear. At most <code class="computeroutput"><a class="link" href="../../../sequence/intrinsic/metafunctions/size.html" title="size"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">size</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">&gt;::</span><span class="identifier">value</span></code> comparisons.
</p>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem">
include &lt;boost/fusion/algorithm/query/find_if.hpp&gt;
</li>
<li class="listitem">
include &lt;boost/fusion/include/find_if.hpp&gt;
</li>
</ol></div>
<a name="fusion.algorithm.query.functions.find_if.example"></a><h6>
<a name="id970560"></a>
<a class="link" href="find_if.html#fusion.algorithm.query.functions.find_if.example">Example</a>
</h6>
<pre class="programlisting"><span class="keyword">const</span> <a class="link" href="../../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special">&lt;</span><span class="keyword">double</span><span class="special">,</span><span class="keyword">int</span><span class="special">&gt;</span> <span class="identifier">vec</span><span class="special">(</span><span class="number">1.0</span><span class="special">,</span><span class="number">2</span><span class="special">);</span>
<span class="identifier">assert</span><span class="special">(*</span><a class="link" href="find_if.html" title="find_if"><code class="computeroutput"><span class="identifier">find_if</span></code></a><span class="special">&lt;</span><span class="identifier">is_integral</span><span class="special">&lt;</span><span class="identifier">mpl</span><span class="special">::</span><span class="identifier">_</span><span class="special">&gt;</span> <span class="special">&gt;(</span><span class="identifier">vec</span><span class="special">)</span> <span class="special">==</span> <span class="number">2</span><span class="special">);</span>
<span class="identifier">assert</span><span class="special">(</span><a class="link" href="find_if.html" title="find_if"><code class="computeroutput"><span class="identifier">find_if</span></code></a><span class="special">&lt;</span><span class="identifier">is_class</span><span class="special">&lt;</span><span class="identifier">mpl</span><span class="special">::</span><span class="identifier">_</span><span class="special">&gt;</span> <span class="special">&gt;(</span><span class="identifier">vec</span><span class="special">)</span> <span class="special">==</span> <a class="link" href="../../../sequence/intrinsic/functions/end.html" title="end"><code class="computeroutput"><span class="identifier">end</span></code></a><span class="special">(</span><span class="identifier">vec</span><span class="special">));</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
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<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.query.functions.none"></a><a class="link" href="none.html" title="none">none</a>
</h5></div></div></div>
<a name="fusion.algorithm.query.functions.none.description"></a><h6>
<a name="id966077"></a>
<a class="link" href="none.html#fusion.algorithm.query.functions.none.description">Description</a>
</h6>
<p>
For a sequence <code class="computeroutput"><span class="identifier">seq</span></code> and
unary function object <code class="computeroutput"><span class="identifier">f</span></code>,
<code class="computeroutput"><span class="identifier">none</span></code> returns true if
<code class="computeroutput"><span class="identifier">f</span></code> returns false for every
element of <code class="computeroutput"><span class="identifier">seq</span></code>.
</p>
<a name="fusion.algorithm.query.functions.none.synopsis"></a><h6>
<a name="id966130"></a>
<a class="link" href="none.html#fusion.algorithm.query.functions.none.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">F</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/none.html" title="none"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">none</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span><span class="identifier">F</span><span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">none</span><span class="special">(</span>
<span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">F</span> <span class="identifier">f</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id968518"></a><p class="title"><b>Table&#160;1.51.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>, <code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">e</span><span class="special">)</span></code> is a valid expression, convertible
to <code class="computeroutput"><span class="keyword">bool</span></code>, for every
element <code class="computeroutput"><span class="identifier">e</span></code> in
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
The sequence to search
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">f</span></code>
</p>
</td>
<td>
<p>
A unary function object
</p>
</td>
<td>
<p>
The search predicate
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.query.functions.none.expression_semantics"></a><h6>
<a name="id968680"></a>
<a class="link" href="none.html#fusion.algorithm.query.functions.none.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="none.html" title="none"><code class="computeroutput"><span class="identifier">none</span></code></a><span class="special">(</span><span class="identifier">seq</span><span class="special">,</span> <span class="identifier">f</span><span class="special">);</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: <code class="computeroutput"><span class="keyword">bool</span></code>
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns true if and only
if <code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">e</span><span class="special">)</span></code>
evaluates to <code class="computeroutput"><span class="keyword">false</span></code> for every
element <code class="computeroutput"><span class="identifier">e</span></code> in <code class="computeroutput"><span class="identifier">seq</span></code>. Result equivalent to <code class="computeroutput"><span class="special">!</span><span class="identifier">any</span><span class="special">(</span><span class="identifier">seq</span><span class="special">,</span> <span class="identifier">f</span><span class="special">)</span></code>.
</p>
<a name="fusion.algorithm.query.functions.none.complexity"></a><h6>
<a name="id968822"></a>
<a class="link" href="none.html#fusion.algorithm.query.functions.none.complexity">Complexity</a>
</h6>
<p>
Linear. At most <code class="computeroutput"><a class="link" href="../../../sequence/intrinsic/metafunctions/size.html" title="size"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">size</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">&gt;::</span><span class="identifier">value</span></code> comparisons.
</p>
<a name="fusion.algorithm.query.functions.none.header"></a><h6>
<a name="id968872"></a>
<a class="link" href="none.html#fusion.algorithm.query.functions.none.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">query</span><span class="special">/</span><span class="identifier">none</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">none</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.algorithm.query.functions.none.example"></a><h6>
<a name="id968988"></a>
<a class="link" href="none.html#fusion.algorithm.query.functions.none.example">Example</a>
</h6>
<pre class="programlisting"><span class="keyword">struct</span> <span class="identifier">odd</span>
<span class="special">{</span>
<span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">bool</span> <span class="keyword">operator</span><span class="special">()(</span><span class="identifier">T</span> <span class="identifier">t</span><span class="special">)</span> <span class="keyword">const</span>
<span class="special">{</span>
<span class="keyword">return</span> <span class="identifier">t</span> <span class="special">%</span> <span class="number">2</span><span class="special">;</span>
<span class="special">}</span>
<span class="special">};</span>
<span class="special">...</span>
<span class="identifier">assert</span><span class="special">(</span><a class="link" href="none.html" title="none"><code class="computeroutput"><span class="identifier">none</span></code></a><span class="special">(</span><a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">2</span><span class="special">,</span><span class="number">4</span><span class="special">),</span> <span class="identifier">odd</span><span class="special">()));</span>
<span class="identifier">assert</span><span class="special">(!</span><a class="link" href="none.html" title="none"><code class="computeroutput"><span class="identifier">none</span></code></a><span class="special">(</span><a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">),</span> <span class="identifier">odd</span><span class="special">()));</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
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<div class="toc"><dl>
<dt><span class="section"><a href="metafunctions/any.html">any</a></span></dt>
<dt><span class="section"><a href="metafunctions/all.html">all</a></span></dt>
<dt><span class="section"><a href="metafunctions/none.html">none</a></span></dt>
<dt><span class="section"><a href="metafunctions/find.html">find</a></span></dt>
<dt><span class="section"><a href="metafunctions/find_if.html">find_if</a></span></dt>
<dt><span class="section"><a href="metafunctions/count.html">count</a></span></dt>
<dt><span class="section"><a href="metafunctions/count_if.html">count_if</a></span></dt>
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Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
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<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.query.metafunctions.all"></a><a class="link" href="all.html" title="all">all</a>
</h5></div></div></div>
<a name="fusion.algorithm.query.metafunctions.all.description"></a><h6>
<a name="id973848"></a>
<a class="link" href="all.html#fusion.algorithm.query.metafunctions.all.description">Description</a>
</h6>
<p>
A metafunction returning the result type of <a class="link" href="../functions/all.html" title="all"><code class="computeroutput"><span class="identifier">all</span></code></a>.
</p>
<a name="fusion.algorithm.query.metafunctions.all.synopsis"></a><h6>
<a name="id973876"></a>
<a class="link" href="all.html#fusion.algorithm.query.metafunctions.all.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">F</span>
<span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">all</span>
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="keyword">bool</span> <span class="identifier">type</span><span class="special">;</span>
<span class="special">};</span>
</pre>
<div class="table">
<a name="id975328"></a><p class="title"><b>Table&#160;1.57.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Sequence</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">F</span></code>
</p>
</td>
<td>
<p>
A model of unary <a class="link" href="../../../functional/concepts/poly.html" title="Polymorphic Function Object">Polymorphic
Function Object</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.query.metafunctions.all.expression_semantics"></a><h6>
<a name="id975454"></a>
<a class="link" href="all.html#fusion.algorithm.query.metafunctions.all.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="all.html" title="all"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">all</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">F</span><span class="special">&gt;::</span><span class="identifier">type</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: <code class="computeroutput"><span class="keyword">bool</span></code>.
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns the return type of
<a class="link" href="../functions/all.html" title="all"><code class="computeroutput"><span class="identifier">all</span></code></a>
given a sequence of type <code class="computeroutput"><span class="identifier">Sequence</span></code>
and a unary <a class="link" href="../../../functional/concepts/poly.html" title="Polymorphic Function Object">Polymorphic
Function Object</a> of type <code class="computeroutput"><span class="identifier">F</span></code>.
The return type is always <code class="computeroutput"><span class="keyword">bool</span></code>.
</p>
<a name="fusion.algorithm.query.metafunctions.all.complexity"></a><h6>
<a name="id975573"></a>
<a class="link" href="all.html#fusion.algorithm.query.metafunctions.all.complexity">Complexity</a>
</h6>
<p>
Constant.
</p>
<a name="fusion.algorithm.query.metafunctions.all.header"></a><h6>
<a name="id975590"></a>
<a class="link" href="all.html#fusion.algorithm.query.metafunctions.all.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">query</span><span class="special">/</span><span class="identifier">all</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">all</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
<title>any</title>
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<meta name="generator" content="DocBook XSL Stylesheets V1.75.2">
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<table cellpadding="2" width="100%"><tr>
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<td align="center"><a href="../../../../../../../../index.html">Home</a></td>
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<a accesskey="p" href="../metafunctions.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../metafunctions.html"><img src="../../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="all.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a>
</div>
<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.query.metafunctions.any"></a><a class="link" href="any.html" title="any">any</a>
</h5></div></div></div>
<a name="fusion.algorithm.query.metafunctions.any.description"></a><h6>
<a name="id973347"></a>
<a class="link" href="any.html#fusion.algorithm.query.metafunctions.any.description">Description</a>
</h6>
<p>
A metafunction returning the result type of <a class="link" href="../functions/any.html" title="any"><code class="computeroutput"><span class="identifier">any</span></code></a>.
</p>
<a name="fusion.algorithm.query.metafunctions.any.synopsis"></a><h6>
<a name="id973374"></a>
<a class="link" href="any.html#fusion.algorithm.query.metafunctions.any.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">F</span>
<span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">any</span>
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="keyword">bool</span> <span class="identifier">type</span><span class="special">;</span>
<span class="special">};</span>
</pre>
<div class="table">
<a name="id973461"></a><p class="title"><b>Table&#160;1.56.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Sequence</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">F</span></code>
</p>
</td>
<td>
<p>
A model of unary <a class="link" href="../../../functional/concepts/poly.html" title="Polymorphic Function Object">Polymorphic
Function Object</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.query.metafunctions.any.expression_semantics"></a><h6>
<a name="id973587"></a>
<a class="link" href="any.html#fusion.algorithm.query.metafunctions.any.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="any.html" title="any"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">any</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">F</span><span class="special">&gt;::</span><span class="identifier">type</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: <code class="computeroutput"><span class="keyword">bool</span></code>.
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns the return type of
<a class="link" href="../functions/any.html" title="any"><code class="computeroutput"><span class="identifier">any</span></code></a>
given a sequence of type <code class="computeroutput"><span class="identifier">Sequence</span></code>
and a unary <a class="link" href="../../../functional/concepts/poly.html" title="Polymorphic Function Object">Polymorphic
Function Object</a> of type <code class="computeroutput"><span class="identifier">F</span></code>.
The return type is always <code class="computeroutput"><span class="keyword">bool</span></code>.
</p>
<a name="fusion.algorithm.query.metafunctions.any.complexity"></a><h6>
<a name="id973706"></a>
<a class="link" href="any.html#fusion.algorithm.query.metafunctions.any.complexity">Complexity</a>
</h6>
<p>
Constant.
</p>
<a name="fusion.algorithm.query.metafunctions.any.header"></a><h6>
<a name="id973722"></a>
<a class="link" href="any.html#fusion.algorithm.query.metafunctions.any.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">query</span><span class="special">/</span><span class="identifier">any</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">any</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
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<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
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<meta name="generator" content="DocBook XSL Stylesheets V1.75.2">
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</div>
<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.query.metafunctions.count"></a><a class="link" href="count.html" title="count">count</a>
</h5></div></div></div>
<a name="fusion.algorithm.query.metafunctions.count.description"></a><h6>
<a name="id977307"></a>
<a class="link" href="count.html#fusion.algorithm.query.metafunctions.count.description">Description</a>
</h6>
<p>
A metafunction that returns the result type of <code class="computeroutput"><span class="identifier">count</span></code>
given the sequence and search types.
</p>
<a name="fusion.algorithm.query.metafunctions.count.synopsis"></a><h6>
<a name="id977334"></a>
<a class="link" href="count.html#fusion.algorithm.query.metafunctions.count.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">T</span>
<span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">count</span>
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="keyword">int</span> <span class="identifier">type</span><span class="special">;</span>
<span class="special">};</span>
</pre>
<div class="table">
<a name="id977420"></a><p class="title"><b>Table&#160;1.61.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
heading Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Sequence</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">T</span></code>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.query.metafunctions.count.expression_semantics"></a><h6>
<a name="id977543"></a>
<a class="link" href="count.html#fusion.algorithm.query.metafunctions.count.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="count.html" title="count"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">count</span></code></a><span class="special">&lt;</span><span class="identifier">T</span><span class="special">&gt;::</span><span class="identifier">type</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: <code class="computeroutput"><span class="keyword">int</span></code>.
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns the return type of
<a class="link" href="../functions/count.html" title="count"><code class="computeroutput"><span class="identifier">count</span></code></a>. The return type is always
<code class="computeroutput"><span class="keyword">int</span></code>.
</p>
<a name="fusion.algorithm.query.metafunctions.count.complexity"></a><h6>
<a name="id977634"></a>
<a class="link" href="count.html#fusion.algorithm.query.metafunctions.count.complexity">Complexity</a>
</h6>
<p>
Constant.
</p>
<a name="fusion.algorithm.query.metafunctions.count.header"></a><h6>
<a name="id977651"></a>
<a class="link" href="count.html#fusion.algorithm.query.metafunctions.count.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">query</span><span class="special">/</span><span class="identifier">count</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">count</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
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<meta name="generator" content="DocBook XSL Stylesheets V1.75.2">
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<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.query.metafunctions.count_if"></a><a class="link" href="count_if.html" title="count_if">count_if</a>
</h5></div></div></div>
<a name="fusion.algorithm.query.metafunctions.count_if.description"></a><h6>
<a name="id977779"></a>
<a class="link" href="count_if.html#fusion.algorithm.query.metafunctions.count_if.description">Description</a>
</h6>
<p>
A metafunction that returns the result type of <code class="computeroutput"><span class="identifier">count_if</span></code>
given the sequence and predicate types.
</p>
<a name="fusion.algorithm.query.metafunctions.count_if.synopsis"></a><h6>
<a name="id977808"></a>
<a class="link" href="count_if.html#fusion.algorithm.query.metafunctions.count_if.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">Pred</span>
<span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">count_if</span>
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="keyword">int</span> <span class="identifier">type</span><span class="special">;</span>
<span class="special">};</span>
</pre>
<div class="table">
<a name="id977894"></a><p class="title"><b>Table&#160;1.62.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Sequence</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Pred</span></code>
</p>
</td>
<td>
<p>
A unary function object
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.query.metafunctions.count_if.expression_semantics"></a><h6>
<a name="id978013"></a>
<a class="link" href="count_if.html#fusion.algorithm.query.metafunctions.count_if.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="count_if.html" title="count_if"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">count_if</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">Pred</span><span class="special">&gt;::</span><span class="identifier">type</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: <code class="computeroutput"><span class="keyword">int</span></code>.
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns the return type of
<a class="link" href="../functions/count_if.html" title="count_if"><code class="computeroutput"><span class="identifier">count_if</span></code></a>. The return type is
always <code class="computeroutput"><span class="keyword">int</span></code>.
</p>
<a name="fusion.algorithm.query.metafunctions.count_if.complexity"></a><h6>
<a name="id978113"></a>
<a class="link" href="count_if.html#fusion.algorithm.query.metafunctions.count_if.complexity">Complexity</a>
</h6>
<p>
Constant.
</p>
<a name="fusion.algorithm.query.metafunctions.count_if.header"></a><h6>
<a name="id978132"></a>
<a class="link" href="count_if.html#fusion.algorithm.query.metafunctions.count_if.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">query</span><span class="special">/</span><span class="identifier">count_if</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">count_if</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
<hr>
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<a accesskey="p" href="count.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../metafunctions.html"><img src="../../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="../../transformation.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a>
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<html>
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<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
<title>find</title>
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<meta name="generator" content="DocBook XSL Stylesheets V1.75.2">
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</div>
<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.query.metafunctions.find"></a><a class="link" href="find.html" title="find">find</a>
</h5></div></div></div>
<a name="fusion.algorithm.query.metafunctions.find.description"></a><h6>
<a name="id976218"></a>
<a class="link" href="find.html#fusion.algorithm.query.metafunctions.find.description">Description</a>
</h6>
<p>
Returns the result type of <a class="link" href="../functions/find.html" title="find"><code class="computeroutput"><span class="identifier">find</span></code></a>, given the sequence and
search types.
</p>
<a name="fusion.algorithm.query.metafunctions.find.synopsis"></a><h6>
<a name="id976245"></a>
<a class="link" href="find.html#fusion.algorithm.query.metafunctions.find.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">T</span>
<span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">find</span>
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="emphasis"><em>unspecified</em></span> <span class="identifier">type</span><span class="special">;</span>
<span class="special">};</span>
</pre>
<div class="table">
<a name="id976330"></a><p class="title"><b>Table&#160;1.59.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Sequence</span></code>
</p>
</td>
<td>
<p>
Model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">T</span></code>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.query.metafunctions.find.expression_semantics"></a><h6>
<a name="id976452"></a>
<a class="link" href="find.html#fusion.algorithm.query.metafunctions.find.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="find.html" title="find"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">find</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">T</span><span class="special">&gt;::</span><span class="identifier">type</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: A model of the same iterator
category as the iterators of <code class="computeroutput"><span class="identifier">Sequence</span></code>.
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns an iterator to the
first element of type <code class="computeroutput"><span class="identifier">T</span></code>
in <code class="computeroutput"><span class="identifier">Sequence</span></code>, or <code class="computeroutput"><a class="link" href="../../../sequence/intrinsic/metafunctions/end.html" title="end"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">end</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">&gt;::</span><span class="identifier">type</span></code>
if there is no such element.
</p>
<a name="fusion.algorithm.query.metafunctions.find.complexity"></a><h6>
<a name="id976584"></a>
<a class="link" href="find.html#fusion.algorithm.query.metafunctions.find.complexity">Complexity</a>
</h6>
<p>
Linear, at most <code class="computeroutput"><a class="link" href="../../../sequence/intrinsic/metafunctions/size.html" title="size"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">size</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">&gt;::</span><span class="identifier">value</span></code> comparisons.
</p>
<a name="fusion.algorithm.query.metafunctions.find.header"></a><h6>
<a name="id976634"></a>
<a class="link" href="find.html#fusion.algorithm.query.metafunctions.find.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">query</span><span class="special">/</span><span class="identifier">find</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">find</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
<hr>
<div class="spirit-nav">
<a accesskey="p" href="none.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../metafunctions.html"><img src="../../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="find_if.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a>
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<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
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<meta name="generator" content="DocBook XSL Stylesheets V1.75.2">
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<table cellpadding="2" width="100%"><tr>
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</div>
<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.query.metafunctions.find_if"></a><a class="link" href="find_if.html" title="find_if">find_if</a>
</h5></div></div></div>
<a name="fusion.algorithm.query.metafunctions.find_if.description"></a><h6>
<a name="id976762"></a>
<a class="link" href="find_if.html#fusion.algorithm.query.metafunctions.find_if.description">Description</a>
</h6>
<p>
Returns the result type of <a class="link" href="../functions/find_if.html" title="find_if"><code class="computeroutput"><span class="identifier">find_if</span></code></a> given the sequence and
predicate types.
</p>
<a name="fusion.algorithm.query.metafunctions.find_if.synopsis"></a><h6>
<a name="id976792"></a>
<a class="link" href="find_if.html#fusion.algorithm.query.metafunctions.find_if.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">Pred</span>
<span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">find_if</span>
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="emphasis"><em>unspecified</em></span> <span class="identifier">type</span><span class="special">;</span>
<span class="special">};</span>
</pre>
<div class="table">
<a name="id976878"></a><p class="title"><b>Table&#160;1.60.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Sequence</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Pred</span></code>
</p>
</td>
<td>
<p>
A model of <a href="http://www.boost.org/libs/mpl/doc/refmanual/lambda-expression.html" target="_top">MPL
Lambda Expression</a>
</p>
</td>
<td>
<p>
Operation's arguments
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.query.metafunctions.find_if.expression_semantics"></a><h6>
<a name="id977001"></a>
<a class="link" href="find_if.html#fusion.algorithm.query.metafunctions.find_if.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="find_if.html" title="find_if"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">find_if</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">Pred</span><span class="special">&gt;::</span><span class="identifier">type</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: A model of the same iterator
category as the iterators of <code class="computeroutput"><span class="identifier">Sequence</span></code>.
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns an iterator to the
first element in <code class="computeroutput"><span class="identifier">Sequence</span></code>
for which <code class="computeroutput"><span class="identifier">Pred</span></code> evaluates
to true. Returns <code class="computeroutput"><a class="link" href="../../../sequence/intrinsic/metafunctions/end.html" title="end"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">end</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">&gt;::</span><span class="identifier">type</span></code> if there is no such element.
</p>
<a name="fusion.algorithm.query.metafunctions.find_if.complexity"></a><h6>
<a name="id977131"></a>
<a class="link" href="find_if.html#fusion.algorithm.query.metafunctions.find_if.complexity">Complexity</a>
</h6>
<p>
Linear. At most <code class="computeroutput"><a class="link" href="../../../sequence/intrinsic/metafunctions/size.html" title="size"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">size</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">&gt;::</span><span class="identifier">value</span></code> comparisons.
</p>
<a name="fusion.algorithm.query.metafunctions.find_if.header"></a><h6>
<a name="id977181"></a>
<a class="link" href="find_if.html#fusion.algorithm.query.metafunctions.find_if.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">query</span><span class="special">/</span><span class="identifier">find_if</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">find_if</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
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<a accesskey="p" href="find.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../metafunctions.html"><img src="../../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="count.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a>
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<html>
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</div>
<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.query.metafunctions.none"></a><a class="link" href="none.html" title="none">none</a>
</h5></div></div></div>
<a name="fusion.algorithm.query.metafunctions.none.description"></a><h6>
<a name="id975716"></a>
<a class="link" href="none.html#fusion.algorithm.query.metafunctions.none.description">Description</a>
</h6>
<p>
A metafunction returning the result type of <a class="link" href="../functions/none.html" title="none"><code class="computeroutput"><span class="identifier">none</span></code></a>.
</p>
<a name="fusion.algorithm.query.metafunctions.none.synopsis"></a><h6>
<a name="id975744"></a>
<a class="link" href="none.html#fusion.algorithm.query.metafunctions.none.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">F</span>
<span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">none</span>
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="keyword">bool</span> <span class="identifier">type</span><span class="special">;</span>
<span class="special">};</span>
</pre>
<div class="table">
<a name="id975830"></a><p class="title"><b>Table&#160;1.58.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Sequence</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">F</span></code>
</p>
</td>
<td>
<p>
A model of unary <a class="link" href="../../../functional/concepts/poly.html" title="Polymorphic Function Object">Polymorphic
Function Object</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.query.metafunctions.none.expression_semantics"></a><h6>
<a name="id975956"></a>
<a class="link" href="none.html#fusion.algorithm.query.metafunctions.none.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="none.html" title="none"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">none</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">F</span><span class="special">&gt;::</span><span class="identifier">type</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: <code class="computeroutput"><span class="keyword">bool</span></code>.
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns the return type of
<a class="link" href="../functions/none.html" title="none"><code class="computeroutput"><span class="identifier">none</span></code></a>
given a sequence of type <code class="computeroutput"><span class="identifier">Sequence</span></code>
and a unary <a class="link" href="../../../functional/concepts/poly.html" title="Polymorphic Function Object">Polymorphic
Function Object</a> of type <code class="computeroutput"><span class="identifier">F</span></code>.
The return type is always <code class="computeroutput"><span class="keyword">bool</span></code>.
</p>
<a name="fusion.algorithm.query.metafunctions.none.complexity"></a><h6>
<a name="id976075"></a>
<a class="link" href="none.html#fusion.algorithm.query.metafunctions.none.complexity">Complexity</a>
</h6>
<p>
Constant.
</p>
<a name="fusion.algorithm.query.metafunctions.none.header"></a><h6>
<a name="id976092"></a>
<a class="link" href="none.html#fusion.algorithm.query.metafunctions.none.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">query</span><span class="special">/</span><span class="identifier">none</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">none</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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<div class="titlepage"><div><div><h3 class="title">
<a name="fusion.algorithm.transformation"></a><a class="link" href="transformation.html" title="Transformation">Transformation</a>
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<div class="toc"><dl>
<dt><span class="section"><a href="transformation/functions.html">Functions</a></span></dt>
<dt><span class="section"><a href="transformation/metafunctions.html">Metafunctions</a></span></dt>
</dl></div>
<p>
The transformation algorithms create new sequences out of existing sequences
by performing some sort of transformation. In reality the new sequences are
views onto the data in the original sequences.
</p>
<div class="note"><table border="0" summary="Note">
<tr>
<td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="../../../../../../doc/src/images/note.png"></td>
<th align="left">Note</th>
</tr>
<tr><td align="left" valign="top"><p>
As the transformation algorithms return views onto their input arguments,
it is important that the lifetime of the input arguments is greater than
the period during which you wish to use the results.
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<a name="fusion.algorithm.transformation.header"></a><h5>
<a name="id978271"></a>
<a class="link" href="transformation.html#fusion.algorithm.transformation.header">Header</a>
</h5>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
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<dt><span class="section"><a href="functions/zip.html">zip</a></span></dt>
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<dt><span class="section"><a href="functions/push_front.html">push_front</a></span></dt>
</dl></div>
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<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.functions.clear"></a><a class="link" href="clear.html" title="clear">clear</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.functions.clear.description"></a><h6>
<a name="id987528"></a>
<a class="link" href="clear.html#fusion.algorithm.transformation.functions.clear.description">Description</a>
</h6>
<p>
<a class="link" href="clear.html" title="clear"><code class="computeroutput"><span class="identifier">clear</span></code></a> returns an empty sequence.
</p>
<a name="fusion.algorithm.transformation.functions.clear.synposis"></a><h6>
<a name="id987559"></a>
<a class="link" href="clear.html#fusion.algorithm.transformation.functions.clear.synposis">Synposis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/clear.html" title="clear"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">clear</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">clear</span><span class="special">(</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id987667"></a><p class="title"><b>Table&#160;1.72.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody><tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr></tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.functions.clear.expression_semantics"></a><h6>
<a name="id987753"></a>
<a class="link" href="clear.html#fusion.algorithm.transformation.functions.clear.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="clear.html" title="clear"><code class="computeroutput"><span class="identifier">clear</span></code></a><span class="special">(</span><span class="identifier">seq</span><span class="special">);</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</p>
<p>
<span class="bold"><strong>Expression Semantics</strong></span>: Returns a sequence
with no elements.
</p>
<a name="fusion.algorithm.transformation.functions.clear.complexity"></a><h6>
<a name="id987816"></a>
<a class="link" href="clear.html#fusion.algorithm.transformation.functions.clear.complexity">Complexity</a>
</h6>
<p>
Constant.
</p>
<a name="fusion.algorithm.transformation.functions.clear.header"></a><h6>
<a name="id987835"></a>
<a class="link" href="clear.html#fusion.algorithm.transformation.functions.clear.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">clear</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">clear</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.algorithm.transformation.functions.clear.example"></a><h6>
<a name="id987950"></a>
<a class="link" href="clear.html#fusion.algorithm.transformation.functions.clear.example">Example</a>
</h6>
<pre class="programlisting"><span class="identifier">assert</span><span class="special">(</span><a class="link" href="clear.html" title="clear"><code class="computeroutput"><span class="identifier">clear</span></code></a><span class="special">(</span><a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">,</span><span class="number">3</span><span class="special">))</span> <span class="special">==</span> <a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">());</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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<a name="fusion.algorithm.transformation.functions.erase"></a><a class="link" href="erase.html" title="erase">erase</a>
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<a name="fusion.algorithm.transformation.functions.erase.description"></a><h6>
<a name="id988052"></a>
<a class="link" href="erase.html#fusion.algorithm.transformation.functions.erase.description">Description</a>
</h6>
<p>
Returns a new sequence, containing all the elements of the original except
those at a specified iterator, or between two iterators.
</p>
<a name="fusion.algorithm.transformation.functions.erase.synposis"></a><h6>
<a name="id988074"></a>
<a class="link" href="erase.html#fusion.algorithm.transformation.functions.erase.synposis">Synposis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">First</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/erase.html" title="erase"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">erase</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">First</span><span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">erase</span><span class="special">(</span>
<span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">First</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">it1</span><span class="special">);</span>
<span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">First</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">Last</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/erase.html" title="erase"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">erase</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">First</span><span class="special">,</span> <span class="identifier">Last</span><span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">erase</span><span class="special">(</span>
<span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">First</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">it1</span><span class="special">,</span> <span class="identifier">Last</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">it2</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id988406"></a><p class="title"><b>Table&#160;1.73.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameters
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">it1</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../iterator/concepts/forward_iterator.html" title="Forward Iterator">Forward
Iterator</a>
</p>
</td>
<td>
<p>
Iterator into <code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">it2</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../iterator/concepts/forward_iterator.html" title="Forward Iterator">Forward
Iterator</a>
</p>
</td>
<td>
<p>
Iterator into <code class="computeroutput"><span class="identifier">seq</span></code>
after <code class="computeroutput"><span class="identifier">it1</span></code>
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.functions.erase.expression_semantics"></a><h6>
<a name="id989954"></a>
<a class="link" href="erase.html#fusion.algorithm.transformation.functions.erase.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="erase.html" title="erase"><code class="computeroutput"><span class="identifier">erase</span></code></a><span class="special">(</span><span class="identifier">seq</span><span class="special">,</span> <span class="identifier">pos</span><span class="special">);</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>:
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</li>
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> if <code class="computeroutput"><span class="identifier">seq</span></code>
implements the <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> model.
</li>
</ul></div>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a new sequence, containing
all the elements of <code class="computeroutput"><span class="identifier">seq</span></code>
except the element at <code class="computeroutput"><span class="identifier">pos</span></code>.
</p>
<pre class="programlisting"><a class="link" href="erase.html" title="erase"><code class="computeroutput"><span class="identifier">erase</span></code></a><span class="special">(</span><span class="identifier">seq</span><span class="special">,</span> <span class="identifier">first</span><span class="special">,</span> <span class="identifier">last</span><span class="special">);</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>:
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</li>
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> if <code class="computeroutput"><span class="identifier">seq</span></code>
implements the <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> model.
</li>
</ul></div>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a new sequence, with
all the elements of <code class="computeroutput"><span class="identifier">seq</span></code>,
in their original order, except those in the range [<code class="computeroutput"><span class="identifier">first</span></code>,<code class="computeroutput"><span class="identifier">last</span></code>).
</p>
<a name="fusion.algorithm.transformation.functions.erase.complexity"></a><h6>
<a name="id990193"></a>
<a class="link" href="erase.html#fusion.algorithm.transformation.functions.erase.complexity">Complexity</a>
</h6>
<p>
Constant. Returns a view which is lazily evaluated.
</p>
<a name="fusion.algorithm.transformation.functions.erase.header"></a><h6>
<a name="id990212"></a>
<a class="link" href="erase.html#fusion.algorithm.transformation.functions.erase.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">erase</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">erase</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.algorithm.transformation.functions.erase.example"></a><h6>
<a name="id990327"></a>
<a class="link" href="erase.html#fusion.algorithm.transformation.functions.erase.example">Example</a>
</h6>
<pre class="programlisting"><span class="keyword">const</span> <a class="link" href="../../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special">&lt;</span><span class="keyword">int</span><span class="special">,</span> <span class="keyword">double</span><span class="special">,</span> <span class="keyword">char</span><span class="special">&gt;</span> <span class="identifier">vec</span><span class="special">(</span><span class="number">1</span><span class="special">,</span> <span class="number">2.0</span><span class="special">,</span> <span class="char">'c'</span><span class="special">);</span>
<span class="identifier">assert</span><span class="special">(</span><a class="link" href="erase.html" title="erase"><code class="computeroutput"><span class="identifier">erase</span></code></a><span class="special">(</span><span class="identifier">vec</span><span class="special">,</span> <a class="link" href="../../../iterator/functions/next.html" title="next"><code class="computeroutput"><span class="identifier">next</span></code></a><span class="special">(</span><a class="link" href="../../../sequence/intrinsic/functions/begin.html" title="begin"><code class="computeroutput"><span class="identifier">begin</span></code></a><span class="special">(</span><span class="identifier">vec</span><span class="special">)))</span> <span class="special">==</span> <a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">1</span><span class="special">,</span> <span class="char">'c'</span><span class="special">));</span>
<span class="identifier">assert</span><span class="special">(</span><a class="link" href="erase.html" title="erase"><code class="computeroutput"><span class="identifier">erase</span></code></a><span class="special">(</span><span class="identifier">vec</span><span class="special">,</span> <a class="link" href="../../../iterator/functions/next.html" title="next"><code class="computeroutput"><span class="identifier">next</span></code></a><span class="special">(</span><a class="link" href="../../../sequence/intrinsic/functions/begin.html" title="begin"><code class="computeroutput"><span class="identifier">begin</span></code></a><span class="special">(</span><span class="identifier">vec</span><span class="special">)),</span> <a class="link" href="../../../sequence/intrinsic/functions/end.html" title="end"><code class="computeroutput"><span class="identifier">end</span></code></a><span class="special">(</span><span class="identifier">vec</span><span class="special">))</span> <span class="special">==</span> <a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">1</span><span class="special">));</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
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<meta name="generator" content="DocBook XSL Stylesheets V1.75.2">
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</div>
<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.functions.erase_key"></a><a class="link" href="erase_key.html" title="erase_key">erase_key</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.functions.erase_key.description"></a><h6>
<a name="id990631"></a>
<a class="link" href="erase_key.html#fusion.algorithm.transformation.functions.erase_key.description">Description</a>
</h6>
<p>
For an <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">associative</a>]
<a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward Sequence</a>
<code class="computeroutput"><span class="identifier">seq</span></code>, returns a <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">associative</a>]
<a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward Sequence</a>
containing all the elements of the original except those with a given
key.
</p>
<a name="fusion.algorithm.transformation.functions.erase_key.synposis"></a><h6>
<a name="id990679"></a>
<a class="link" href="erase_key.html#fusion.algorithm.transformation.functions.erase_key.synposis">Synposis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Key</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/erase_key.html" title="erase_key"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">erase_key</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">Key</span><span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">erase_key</span><span class="special">(</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id990809"></a><p class="title"><b>Table&#160;1.74.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a> and <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Key</span></code>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
Key to erase
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.functions.erase_key.expression_semantics"></a><h6>
<a name="id990933"></a>
<a class="link" href="erase_key.html#fusion.algorithm.transformation.functions.erase_key.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="erase_key.html" title="erase_key"><code class="computeroutput"><span class="identifier">erase_key</span></code></a><span class="special">&lt;</span><span class="identifier">Key</span><span class="special">&gt;(</span><span class="identifier">seq</span><span class="special">);</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a> and <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a>.
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a new sequence, containing
all the elements of <code class="computeroutput"><span class="identifier">seq</span></code>,
except those with key <code class="computeroutput"><span class="identifier">Key</span></code>.
</p>
<a name="fusion.algorithm.transformation.functions.erase_key.complexity"></a><h6>
<a name="id991021"></a>
<a class="link" href="erase_key.html#fusion.algorithm.transformation.functions.erase_key.complexity">Complexity</a>
</h6>
<p>
Constant. Returns a view which is lazily evaluated.
</p>
<a name="fusion.algorithm.transformation.functions.erase_key.header"></a><h6>
<a name="id991043"></a>
<a class="link" href="erase_key.html#fusion.algorithm.transformation.functions.erase_key.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">erase_key</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">erase_key</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.algorithm.transformation.functions.erase_key.example"></a><h6>
<a name="id991163"></a>
<a class="link" href="erase_key.html#fusion.algorithm.transformation.functions.erase_key.example">Example</a>
</h6>
<pre class="programlisting"><span class="identifier">assert</span><span class="special">(</span><a class="link" href="erase_key.html" title="erase_key"><code class="computeroutput"><span class="identifier">erase_key</span></code></a><span class="special">&lt;</span><span class="keyword">int</span><span class="special">&gt;(</span><a class="link" href="../../../container/generation/functions/make_map.html" title="make_map"><code class="computeroutput"><span class="identifier">make_map</span></code></a><span class="special">&lt;</span><span class="keyword">int</span><span class="special">,</span> <span class="keyword">long</span><span class="special">&gt;(</span><span class="char">'a'</span><span class="special">,</span> <span class="char">'b'</span><span class="special">))</span> <span class="special">==</span> <a class="link" href="../../../container/generation/functions/make_map.html" title="make_map"><code class="computeroutput"><span class="identifier">make_map</span></code></a><span class="special">&lt;</span><span class="keyword">long</span><span class="special">&gt;(</span><span class="char">'b'</span><span class="special">));</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
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<a name="fusion.algorithm.transformation.functions.filter.description"></a><h6>
<a name="id978401"></a>
<a class="link" href="filter.html#fusion.algorithm.transformation.functions.filter.description">Description</a>
</h6>
<p>
For a given sequence, filter returns a new sequences containing only
the elements of a specified type.
</p>
<a name="fusion.algorithm.transformation.functions.filter.synopsis"></a><h6>
<a name="id978422"></a>
<a class="link" href="filter.html#fusion.algorithm.transformation.functions.filter.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">T</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/filter.html" title="filter"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">filter</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">T</span><span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">filter</span><span class="special">(</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id978552"></a><p class="title"><b>Table&#160;1.63.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">T</span></code>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
The type to retain
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.functions.filter.expression_semantics"></a><h6>
<a name="id978672"></a>
<a class="link" href="filter.html#fusion.algorithm.transformation.functions.filter.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="filter.html" title="filter"><code class="computeroutput"><span class="identifier">filter</span></code></a><span class="special">&lt;</span><span class="identifier">T</span><span class="special">&gt;(</span><span class="identifier">seq</span><span class="special">);</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>:
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</li>
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> if <code class="computeroutput"><span class="identifier">seq</span></code>
implements the <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> model.
</li>
</ul></div>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a sequence containing
all the elements of <code class="computeroutput"><span class="identifier">seq</span></code>
of type <code class="computeroutput"><span class="identifier">T</span></code>. Equivalent
to <code class="computeroutput"><a class="link" href="filter_if.html" title="filter_if"><code class="computeroutput"><span class="identifier">filter_if</span></code></a><span class="special">&lt;</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">same_type</span><span class="special">&lt;</span><span class="identifier">_</span><span class="special">,</span> <span class="identifier">T</span><span class="special">&gt;</span> <span class="special">&gt;(</span><span class="identifier">seq</span><span class="special">)</span></code>.
</p>
<a name="fusion.algorithm.transformation.functions.filter.complexity"></a><h6>
<a name="id978847"></a>
<a class="link" href="filter.html#fusion.algorithm.transformation.functions.filter.complexity">Complexity</a>
</h6>
<p>
Constant. Returns a view which is lazily evaluated.
</p>
<a name="fusion.algorithm.transformation.functions.filter.header"></a><h6>
<a name="id978866"></a>
<a class="link" href="filter.html#fusion.algorithm.transformation.functions.filter.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">filter</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">filter</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.algorithm.transformation.functions.filter.example"></a><h6>
<a name="id978984"></a>
<a class="link" href="filter.html#fusion.algorithm.transformation.functions.filter.example">Example</a>
</h6>
<pre class="programlisting"><span class="keyword">const</span> <a class="link" href="../../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special">&lt;</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">long</span><span class="special">,</span><span class="keyword">long</span><span class="special">&gt;</span> <span class="identifier">vec</span><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">,</span><span class="number">3</span><span class="special">,</span><span class="number">4</span><span class="special">);</span>
<span class="identifier">assert</span><span class="special">(</span><a class="link" href="filter.html" title="filter"><code class="computeroutput"><span class="identifier">filter</span></code></a><span class="special">&lt;</span><span class="keyword">int</span><span class="special">&gt;(</span><span class="identifier">vec</span><span class="special">)</span> <span class="special">==</span> <a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">));</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
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<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.functions.filter_if"></a><a class="link" href="filter_if.html" title="filter_if">filter_if</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.functions.filter_if.description"></a><h6>
<a name="id979168"></a>
<a class="link" href="filter_if.html#fusion.algorithm.transformation.functions.filter_if.description">Description</a>
</h6>
<p>
For a given sequence, <a class="link" href="filter_if.html" title="filter_if"><code class="computeroutput"><span class="identifier">filter_if</span></code></a> returns a new sequences
containing only the elements with types for which a given <a href="http://www.boost.org/libs/mpl/doc/refmanual/lambda-expression.html" target="_top">MPL
Lambda Expression</a> evaluates to <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">mpl</span><span class="special">::</span><span class="identifier">true_</span></code>.
</p>
<a name="fusion.algorithm.transformation.functions.filter_if.synopsis"></a><h6>
<a name="id979225"></a>
<a class="link" href="filter_if.html#fusion.algorithm.transformation.functions.filter_if.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Pred</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/filter_if.html" title="filter_if"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">filter_if</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">Pred</span><span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">filter_if</span><span class="special">(</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id979355"></a><p class="title"><b>Table&#160;1.64.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Pred</span></code>
</p>
</td>
<td>
<p>
A unary <a href="http://www.boost.org/libs/mpl/doc/refmanual/lambda-expression.html" target="_top">MPL
Lambda Expression</a>
</p>
</td>
<td>
<p>
The predicate to filter by
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.functions.filter_if.expression_semantics"></a><h6>
<a name="id979478"></a>
<a class="link" href="filter_if.html#fusion.algorithm.transformation.functions.filter_if.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="filter_if.html" title="filter_if"><code class="computeroutput"><span class="identifier">filter_if</span></code></a><span class="special">&lt;</span><span class="identifier">Pred</span><span class="special">&gt;(</span><span class="identifier">seq</span><span class="special">);</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>:
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</li>
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> if <code class="computeroutput"><span class="identifier">seq</span></code>
implements the <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> model.
</li>
</ul></div>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a sequence containing
all the elements of <code class="computeroutput"><span class="identifier">seq</span></code>
with types for which <code class="computeroutput"><span class="identifier">Pred</span></code>
evaluates to <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">mpl</span><span class="special">::</span><span class="identifier">true_</span></code>. The order of the retained elements
is the same as in the original sequence.
</p>
<a name="fusion.algorithm.transformation.functions.filter_if.complexity"></a><h6>
<a name="id979618"></a>
<a class="link" href="filter_if.html#fusion.algorithm.transformation.functions.filter_if.complexity">Complexity</a>
</h6>
<p>
Constant. Returns a view which is lazily evaluated.
</p>
<a name="fusion.algorithm.transformation.functions.filter_if.header"></a><h6>
<a name="id979776"></a>
<a class="link" href="filter_if.html#fusion.algorithm.transformation.functions.filter_if.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">filter_if</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">filter_if</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.algorithm.transformation.functions.filter_if.example"></a><h6>
<a name="id979896"></a>
<a class="link" href="filter_if.html#fusion.algorithm.transformation.functions.filter_if.example">Example</a>
</h6>
<pre class="programlisting"><span class="keyword">const</span> <a class="link" href="../../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special">&lt;</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">double</span><span class="special">,</span><span class="keyword">double</span><span class="special">&gt;</span> <span class="identifier">vec</span><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">,</span><span class="number">3.0</span><span class="special">,</span><span class="number">4.0</span><span class="special">);</span>
<span class="identifier">assert</span><span class="special">(</span><a class="link" href="filter_if.html" title="filter_if"><code class="computeroutput"><span class="identifier">filter_if</span></code></a><span class="special">&lt;</span><span class="identifier">is_integral</span><span class="special">&lt;</span><span class="identifier">mpl</span><span class="special">::</span><span class="identifier">_</span><span class="special">&gt;</span> <span class="special">&gt;(</span><span class="identifier">vec</span><span class="special">)</span> <span class="special">==</span> <a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">));</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
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<html>
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<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
<title>insert</title>
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<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.functions.insert"></a><a class="link" href="insert.html" title="insert">insert</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.functions.insert.description"></a><h6>
<a name="id991298"></a>
<a class="link" href="insert.html#fusion.algorithm.transformation.functions.insert.description">Description</a>
</h6>
<p>
Returns a new sequence with all the elements of the original, an a new
element inserted the position described by a given iterator.
</p>
<a name="fusion.algorithm.transformation.functions.insert.synposis"></a><h6>
<a name="id991320"></a>
<a class="link" href="insert.html#fusion.algorithm.transformation.functions.insert.synposis">Synposis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">Pos</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">T</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/insert.html" title="insert"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">insert</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">Pos</span><span class="special">,</span> <span class="identifier">T</span><span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">insert</span><span class="special">(</span>
<span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">Pos</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">pos</span><span class="special">,</span> <span class="identifier">T</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">t</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id991515"></a><p class="title"><b>Table&#160;1.75.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">pos</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../iterator/concepts/forward_iterator.html" title="Forward Iterator">Forward
Iterator</a>
</p>
</td>
<td>
<p>
The position to insert at
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">t</span></code>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
The value to insert
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.functions.insert.expression_semantics"></a><h6>
<a name="id991673"></a>
<a class="link" href="insert.html#fusion.algorithm.transformation.functions.insert.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="insert.html" title="insert"><code class="computeroutput"><span class="identifier">insert</span></code></a><span class="special">(</span><span class="identifier">seq</span><span class="special">,</span> <span class="identifier">p</span><span class="special">,</span> <span class="identifier">t</span><span class="special">);</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>:
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</li></ul></div>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a new sequence, containing
all the elements of <code class="computeroutput"><span class="identifier">seq</span></code>,
in their original order, and a new element with the type and value of
<code class="computeroutput"><span class="identifier">t</span></code> inserted at iterator
<code class="computeroutput"><span class="identifier">pos</span></code>.
</p>
<a name="fusion.algorithm.transformation.functions.insert.complexity"></a><h6>
<a name="id991783"></a>
<a class="link" href="insert.html#fusion.algorithm.transformation.functions.insert.complexity">Complexity</a>
</h6>
<p>
Constant. Returns a view which is lazily evaluated.
</p>
<a name="fusion.algorithm.transformation.functions.insert.header"></a><h6>
<a name="id991802"></a>
<a class="link" href="insert.html#fusion.algorithm.transformation.functions.insert.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">insert</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">insert</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.algorithm.transformation.functions.insert.example"></a><h6>
<a name="id991920"></a>
<a class="link" href="insert.html#fusion.algorithm.transformation.functions.insert.example">Example</a>
</h6>
<pre class="programlisting"><span class="keyword">const</span> <a class="link" href="../../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special">&lt;</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">int</span><span class="special">&gt;</span> <span class="identifier">vec</span><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">);</span>
<span class="identifier">assert</span><span class="special">(</span><a class="link" href="insert.html" title="insert"><code class="computeroutput"><span class="identifier">insert</span></code></a><span class="special">(</span><span class="identifier">vec</span><span class="special">,</span> <a class="link" href="../../../iterator/functions/next.html" title="next"><code class="computeroutput"><span class="identifier">next</span></code></a><span class="special">(</span><a class="link" href="../../../sequence/intrinsic/functions/begin.html" title="begin"><code class="computeroutput"><span class="identifier">begin</span></code></a><span class="special">(</span><span class="identifier">vec</span><span class="special">)),</span> <span class="number">3</span><span class="special">)</span> <span class="special">==</span> <a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">3</span><span class="special">,</span><span class="number">2</span><span class="special">));</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
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<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.functions.insert_range"></a><a class="link" href="insert_range.html" title="insert_range">insert_range</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.functions.insert_range.description"></a><h6>
<a name="id992114"></a>
<a class="link" href="insert_range.html#fusion.algorithm.transformation.functions.insert_range.description">Description</a>
</h6>
<p>
Returns a new sequence with another sequence inserted at a specified
iterator.
</p>
<a name="fusion.algorithm.transformation.functions.insert_range.synposis"></a><h6>
<a name="id992133"></a>
<a class="link" href="insert_range.html#fusion.algorithm.transformation.functions.insert_range.synposis">Synposis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">Pos</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">Range</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/insert_range.html" title="insert_range"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">insert_range</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">Pos</span><span class="special">,</span> <span class="identifier">Range</span><span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">insert_range</span><span class="special">(</span>
<span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">Pos</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">pos</span><span class="special">,</span> <span class="identifier">Range</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">range</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id992331"></a><p class="title"><b>Table&#160;1.76.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">pos</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../iterator/concepts/forward_iterator.html" title="Forward Iterator">Forward
Iterator</a>
</p>
</td>
<td>
<p>
The position to insert at
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">range</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Range to insert
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.functions.insert_range.expression_semantics"></a><h6>
<a name="id992493"></a>
<a class="link" href="insert_range.html#fusion.algorithm.transformation.functions.insert_range.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="insert_range.html" title="insert_range"><code class="computeroutput"><span class="identifier">insert_range</span></code></a><span class="special">(</span><span class="identifier">seq</span><span class="special">,</span> <span class="identifier">pos</span><span class="special">,</span> <span class="identifier">range</span><span class="special">);</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>:
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</li>
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> if <code class="computeroutput"><span class="identifier">seq</span></code>
implements the <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> model.
</li>
</ul></div>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a new sequence, containing
all the elements of <code class="computeroutput"><span class="identifier">seq</span></code>,
and the elements of <code class="computeroutput"><span class="identifier">range</span></code>
inserted at iterator <code class="computeroutput"><span class="identifier">pos</span></code>.
All elements retaining their ordering from the orignal sequences.
</p>
<a name="fusion.algorithm.transformation.functions.insert_range.complexity"></a><h6>
<a name="id992625"></a>
<a class="link" href="insert_range.html#fusion.algorithm.transformation.functions.insert_range.complexity">Complexity</a>
</h6>
<p>
Constant. Returns a view which is lazily evaluated.
</p>
<a name="fusion.algorithm.transformation.functions.insert_range.header"></a><h6>
<a name="id992644"></a>
<a class="link" href="insert_range.html#fusion.algorithm.transformation.functions.insert_range.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">insert_range</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">insert_range</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.algorithm.transformation.functions.insert_range.example"></a><h6>
<a name="id992764"></a>
<a class="link" href="insert_range.html#fusion.algorithm.transformation.functions.insert_range.example">Example</a>
</h6>
<pre class="programlisting"><span class="keyword">const</span> <a class="link" href="../../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special">&lt;</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">int</span><span class="special">&gt;</span> <span class="identifier">vec</span><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">);</span>
<span class="identifier">assert</span><span class="special">(</span><a class="link" href="insert_range.html" title="insert_range"><code class="computeroutput"><span class="identifier">insert_range</span></code></a><span class="special">(</span><span class="identifier">vec</span><span class="special">,</span> <a class="link" href="../../../iterator/functions/next.html" title="next"><code class="computeroutput"><span class="identifier">next</span></code></a><span class="special">(</span><a class="link" href="../../../sequence/intrinsic/functions/begin.html" title="begin"><code class="computeroutput"><span class="identifier">begin</span></code></a><span class="special">(</span><span class="identifier">vec</span><span class="special">)),</span> <a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">3</span><span class="special">,</span><span class="number">4</span><span class="special">))</span> <span class="special">==</span> <a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">3</span><span class="special">,</span><span class="number">4</span><span class="special">,</span><span class="number">2</span><span class="special">));</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
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<html>
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<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
<title>join</title>
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<meta name="generator" content="DocBook XSL Stylesheets V1.75.2">
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</div>
<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.functions.join"></a><a class="link" href="join.html" title="join">join</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.functions.join.description"></a><h6>
<a name="id992986"></a>
<a class="link" href="join.html#fusion.algorithm.transformation.functions.join.description">Description</a>
</h6>
<p>
Takes 2 sequences and returns a sequence containing the elements of the
first followed by the elements of the second.
</p>
<a name="fusion.algorithm.transformation.functions.join.synopsis"></a><h6>
<a name="id993005"></a>
<a class="link" href="join.html#fusion.algorithm.transformation.functions.join.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">LhSequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">RhSequence</span><span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/join.html" title="join"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">join</span></code></a><span class="special">&lt;</span><span class="identifier">LhSequence</span><span class="special">,</span> <span class="identifier">RhSequence</span><span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">join</span><span class="special">(</span><span class="identifier">LhSequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">lhs</span><span class="special">,</span> <span class="identifier">RhSequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">rhs</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id993148"></a><p class="title"><b>Table&#160;1.77.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">lhs</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">rhs</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.functions.join.expression_semantics"></a><h6>
<a name="id993272"></a>
<a class="link" href="join.html#fusion.algorithm.transformation.functions.join.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="join.html" title="join"><code class="computeroutput"><span class="identifier">join</span></code></a><span class="special">(</span><span class="identifier">lhs</span><span class="special">,</span> <span class="identifier">rhs</span><span class="special">);</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>:
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</li>
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> if <code class="computeroutput"><span class="identifier">lhs</span></code>
and <code class="computeroutput"><span class="identifier">rhs</span></code> implement
the <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> model.
</li>
</ul></div>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a sequence containing
all the elements of <code class="computeroutput"><span class="identifier">lhs</span></code>
followed by all the elements of <code class="computeroutput"><span class="identifier">rhs</span></code>.
The order of the elements is preserved.
</p>
<a name="fusion.algorithm.transformation.functions.join.complexity"></a><h6>
<a name="id993398"></a>
<a class="link" href="join.html#fusion.algorithm.transformation.functions.join.complexity">Complexity</a>
</h6>
<p>
Constant. Returns a view which is lazily evaluated.
</p>
<a name="fusion.algorithm.transformation.functions.join.header"></a><h6>
<a name="id993417"></a>
<a class="link" href="join.html#fusion.algorithm.transformation.functions.join.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">join</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">join</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.algorithm.transformation.functions.join.example"></a><h6>
<a name="id993532"></a>
<a class="link" href="join.html#fusion.algorithm.transformation.functions.join.example">Example</a>
</h6>
<pre class="programlisting"><a class="link" href="../../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special">&lt;</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">char</span><span class="special">&gt;</span> <span class="identifier">v1</span><span class="special">(</span><span class="number">1</span><span class="special">,</span> <span class="char">'a'</span><span class="special">);</span>
<a class="link" href="../../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special">&lt;</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">char</span><span class="special">&gt;</span> <span class="identifier">v2</span><span class="special">(</span><span class="number">2</span><span class="special">,</span> <span class="char">'b'</span><span class="special">);</span>
<span class="identifier">assert</span><span class="special">(</span><a class="link" href="join.html" title="join"><code class="computeroutput"><span class="identifier">join</span></code></a><span class="special">(</span><span class="identifier">v1</span><span class="special">,</span> <span class="identifier">v2</span><span class="special">)</span> <span class="special">==</span> <a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="char">'a'</span><span class="special">,</span><span class="number">2</span><span class="special">,</span><span class="char">'b'</span><span class="special">));</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
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<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.functions.pop_back"></a><a class="link" href="pop_back.html" title="pop_back">pop_back</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.functions.pop_back.description"></a><h6>
<a name="id995882"></a>
<a class="link" href="pop_back.html#fusion.algorithm.transformation.functions.pop_back.description">Description</a>
</h6>
<p>
Returns a new sequence, with the last element of the original removed.
</p>
<a name="fusion.algorithm.transformation.functions.pop_back.synopsis"></a><h6>
<a name="id995904"></a>
<a class="link" href="pop_back.html#fusion.algorithm.transformation.functions.pop_back.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/pop_back.html" title="pop_back"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">pop_back</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">pop_back</span><span class="special">(</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id996012"></a><p class="title"><b>Table&#160;1.79.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody><tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr></tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.functions.pop_back.expression_semantics"></a><h6>
<a name="id996098"></a>
<a class="link" href="pop_back.html#fusion.algorithm.transformation.functions.pop_back.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="pop_back.html" title="pop_back"><code class="computeroutput"><span class="identifier">pop_back</span></code></a><span class="special">(</span><span class="identifier">seq</span><span class="special">);</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>:
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</li>
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> if <code class="computeroutput"><span class="identifier">seq</span></code>
implements the <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> model.
</li>
</ul></div>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a new sequence containing
all the elements of <code class="computeroutput"><span class="identifier">seq</span></code>,
except the last element. The elements in the new sequence are in the
same order as they were in <code class="computeroutput"><span class="identifier">seq</span></code>.
</p>
<a name="fusion.algorithm.transformation.functions.pop_back.complexity"></a><h6>
<a name="id996208"></a>
<a class="link" href="pop_back.html#fusion.algorithm.transformation.functions.pop_back.complexity">Complexity</a>
</h6>
<p>
Constant. Returns a view which is lazily evaluated.
</p>
<a name="fusion.algorithm.transformation.functions.pop_back.header"></a><h6>
<a name="id996230"></a>
<a class="link" href="pop_back.html#fusion.algorithm.transformation.functions.pop_back.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">pop_back</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">pop_back</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.algorithm.transformation.functions.pop_back.example"></a><h6>
<a name="id996350"></a>
<a class="link" href="pop_back.html#fusion.algorithm.transformation.functions.pop_back.example">Example</a>
</h6>
<pre class="programlisting"><span class="identifier">assert</span><span class="special">(</span><span class="identifier">___pop_back__</span><span class="special">(</span><a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">,</span><span class="number">3</span><span class="special">))</span> <span class="special">==</span> <a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">));</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
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<meta name="generator" content="DocBook XSL Stylesheets V1.75.2">
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<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.functions.pop_front"></a><a class="link" href="pop_front.html" title="pop_front">pop_front</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.functions.pop_front.description"></a><h6>
<a name="id996464"></a>
<a class="link" href="pop_front.html#fusion.algorithm.transformation.functions.pop_front.description">Description</a>
</h6>
<p>
Returns a new sequence, with the first element of the original removed.
</p>
<a name="fusion.algorithm.transformation.functions.pop_front.synopsis"></a><h6>
<a name="id996486"></a>
<a class="link" href="pop_front.html#fusion.algorithm.transformation.functions.pop_front.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/pop_front.html" title="pop_front"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">pop_front</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">pop_front</span><span class="special">(</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id996594"></a><p class="title"><b>Table&#160;1.80.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody><tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr></tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.functions.pop_front.expression_semantics"></a><h6>
<a name="id996680"></a>
<a class="link" href="pop_front.html#fusion.algorithm.transformation.functions.pop_front.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="pop_front.html" title="pop_front"><code class="computeroutput"><span class="identifier">pop_front</span></code></a><span class="special">(</span><span class="identifier">seq</span><span class="special">);</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>:
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</li>
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> if <code class="computeroutput"><span class="identifier">seq</span></code>
implements the <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> model.
</li>
</ul></div>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a new sequence containing
all the elements of <code class="computeroutput"><span class="identifier">seq</span></code>,
except the first element. The elements in the new sequence are in the
same order as they were in <code class="computeroutput"><span class="identifier">seq</span></code>.
</p>
<a name="fusion.algorithm.transformation.functions.pop_front.complexity"></a><h6>
<a name="id996790"></a>
<a class="link" href="pop_front.html#fusion.algorithm.transformation.functions.pop_front.complexity">Complexity</a>
</h6>
<p>
Constant. Returns a view which is lazily evaluated.
</p>
<a name="fusion.algorithm.transformation.functions.pop_front.header"></a><h6>
<a name="id996812"></a>
<a class="link" href="pop_front.html#fusion.algorithm.transformation.functions.pop_front.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">pop_front</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">pop_front</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.algorithm.transformation.functions.pop_front.example"></a><h6>
<a name="id996932"></a>
<a class="link" href="pop_front.html#fusion.algorithm.transformation.functions.pop_front.example">Example</a>
</h6>
<pre class="programlisting"><span class="identifier">assert</span><span class="special">(</span><a class="link" href="pop_front.html" title="pop_front"><code class="computeroutput"><span class="identifier">pop_front</span></code></a><span class="special">(</span><a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">,</span><span class="number">3</span><span class="special">))</span> <span class="special">==</span> <a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">2</span><span class="special">,</span><span class="number">3</span><span class="special">));</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
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<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.functions.push_back"></a><a class="link" href="push_back.html" title="push_back">push_back</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.functions.push_back.description"></a><h6>
<a name="id997051"></a>
<a class="link" href="push_back.html#fusion.algorithm.transformation.functions.push_back.description">Description</a>
</h6>
<p>
Returns a new sequence with an element added at the end.
</p>
<a name="fusion.algorithm.transformation.functions.push_back.synopsis"></a><h6>
<a name="id997072"></a>
<a class="link" href="push_back.html#fusion.algorithm.transformation.functions.push_back.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">T</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/push_back.html" title="push_back"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">push_back</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">T</span><span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">push_back</span><span class="special">(</span>
<span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">T</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">t</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id997220"></a><p class="title"><b>Table&#160;1.81.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">t</span></code>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
The value to add to the end
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.functions.push_back.expression_semantics"></a><h6>
<a name="id997339"></a>
<a class="link" href="push_back.html#fusion.algorithm.transformation.functions.push_back.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="push_back.html" title="push_back"><code class="computeroutput"><span class="identifier">push_back</span></code></a><span class="special">(</span><span class="identifier">seq</span><span class="special">,</span> <span class="identifier">t</span><span class="special">);</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>:
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</li></ul></div>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a new sequence, containing
all the elements of <code class="computeroutput"><span class="identifier">seq</span></code>,
and new element <code class="computeroutput"><span class="identifier">t</span></code> appended
to the end. The elements are in the same order as they were in <code class="computeroutput"><span class="identifier">seq</span></code>.
</p>
<a name="fusion.algorithm.transformation.functions.push_back.complexity"></a><h6>
<a name="id997441"></a>
<a class="link" href="push_back.html#fusion.algorithm.transformation.functions.push_back.complexity">Complexity</a>
</h6>
<p>
Constant. Returns a view which is lazily evaluated.
</p>
<a name="fusion.algorithm.transformation.functions.push_back.header"></a><h6>
<a name="id997462"></a>
<a class="link" href="push_back.html#fusion.algorithm.transformation.functions.push_back.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">push_back</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">push_back</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.algorithm.transformation.functions.push_back.example"></a><h6>
<a name="id997582"></a>
<a class="link" href="push_back.html#fusion.algorithm.transformation.functions.push_back.example">Example</a>
</h6>
<pre class="programlisting"><span class="identifier">assert</span><span class="special">(</span><a class="link" href="push_back.html" title="push_back"><code class="computeroutput"><span class="identifier">push_back</span></code></a><span class="special">(</span><a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">,</span><span class="number">3</span><span class="special">),</span><span class="number">4</span><span class="special">)</span> <span class="special">==</span> <a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">,</span><span class="number">3</span><span class="special">,</span><span class="number">4</span><span class="special">));</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
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</div>
<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.functions.push_front"></a><a class="link" href="push_front.html" title="push_front">push_front</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.functions.push_front.description"></a><h6>
<a name="id998267"></a>
<a class="link" href="push_front.html#fusion.algorithm.transformation.functions.push_front.description">Description</a>
</h6>
<p>
Returns a new sequence with an element added at the beginning.
</p>
<a name="fusion.algorithm.transformation.functions.push_front.synopsis"></a><h6>
<a name="id998286"></a>
<a class="link" href="push_front.html#fusion.algorithm.transformation.functions.push_front.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">T</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/push_front.html" title="push_front"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">push_front</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">T</span><span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">push_front</span><span class="special">(</span>
<span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">T</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">t</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id998436"></a><p class="title"><b>Table&#160;1.82.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">t</span></code>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
The value to add to the beginning
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.functions.push_front.expression_semantics"></a><h6>
<a name="id998555"></a>
<a class="link" href="push_front.html#fusion.algorithm.transformation.functions.push_front.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="push_back.html" title="push_back"><code class="computeroutput"><span class="identifier">push_back</span></code></a><span class="special">(</span><span class="identifier">seq</span><span class="special">,</span> <span class="identifier">t</span><span class="special">);</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>:
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</li></ul></div>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a new sequence, containing
all the elements of <code class="computeroutput"><span class="identifier">seq</span></code>,
and new element <code class="computeroutput"><span class="identifier">t</span></code> appended
to the beginning. The elements are in the same order as they were in
<code class="computeroutput"><span class="identifier">seq</span></code>.
</p>
<a name="fusion.algorithm.transformation.functions.push_front.complexity"></a><h6>
<a name="id998657"></a>
<a class="link" href="push_front.html#fusion.algorithm.transformation.functions.push_front.complexity">Complexity</a>
</h6>
<p>
Constant. Returns a view which is lazily evaluated.
</p>
<a name="fusion.algorithm.transformation.functions.push_front.header"></a><h6>
<a name="id998679"></a>
<a class="link" href="push_front.html#fusion.algorithm.transformation.functions.push_front.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">push_front</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">push_front</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.algorithm.transformation.functions.push_front.example"></a><h6>
<a name="id998799"></a>
<a class="link" href="push_front.html#fusion.algorithm.transformation.functions.push_front.example">Example</a>
</h6>
<pre class="programlisting"><span class="identifier">assert</span><span class="special">(</span><a class="link" href="push_front.html" title="push_front"><code class="computeroutput"><span class="identifier">push_front</span></code></a><span class="special">(</span><a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">,</span><span class="number">3</span><span class="special">),</span><span class="number">0</span><span class="special">)</span> <span class="special">==</span> <a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">0</span><span class="special">,</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">,</span><span class="number">3</span><span class="special">));</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
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</div>
<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.functions.remove"></a><a class="link" href="remove.html" title="remove">remove</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.functions.remove.description"></a><h6>
<a name="id984301"></a>
<a class="link" href="remove.html#fusion.algorithm.transformation.functions.remove.description">Description</a>
</h6>
<p>
Returns a new sequence, with all the elements of the original sequence,
except those of a given type.
</p>
<a name="fusion.algorithm.transformation.functions.remove.synopsis"></a><h6>
<a name="id984323"></a>
<a class="link" href="remove.html#fusion.algorithm.transformation.functions.remove.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">T</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/remove.html" title="remove"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">remove</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">T</span><span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">replace</span><span class="special">(</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id984452"></a><p class="title"><b>Table&#160;1.69.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">T</span></code>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
Type to remove
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.functions.remove.expression_semantics"></a><h6>
<a name="id984572"></a>
<a class="link" href="remove.html#fusion.algorithm.transformation.functions.remove.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="remove.html" title="remove"><code class="computeroutput"><span class="identifier">remove</span></code></a><span class="special">&lt;</span><span class="identifier">T</span><span class="special">&gt;(</span><span class="identifier">seq</span><span class="special">);</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>:
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</li>
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> if <code class="computeroutput"><span class="identifier">Sequence</span></code>
implements the <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> model.
</li>
</ul></div>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a new sequence, containing
all the elements of <code class="computeroutput"><span class="identifier">seq</span></code>,
in their original order, except those of type <code class="computeroutput"><span class="identifier">T</span></code>.
Equivalent to <code class="computeroutput"><a class="link" href="remove_if.html" title="remove_if"><code class="computeroutput"><span class="identifier">remove_if</span></code></a><span class="special">&lt;</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">is_same</span><span class="special">&lt;</span><span class="identifier">_</span><span class="special">,</span><span class="identifier">T</span><span class="special">&gt;</span> <span class="special">&gt;(</span><span class="identifier">seq</span><span class="special">)</span></code>.
</p>
<a name="fusion.algorithm.transformation.functions.remove.complexity"></a><h6>
<a name="id984748"></a>
<a class="link" href="remove.html#fusion.algorithm.transformation.functions.remove.complexity">Complexity</a>
</h6>
<p>
Constant. Returns a view which is lazily evaluated.
</p>
<a name="fusion.algorithm.transformation.functions.remove.header"></a><h6>
<a name="id984767"></a>
<a class="link" href="remove.html#fusion.algorithm.transformation.functions.remove.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">remove</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">remove</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.algorithm.transformation.functions.remove.example"></a><h6>
<a name="id984884"></a>
<a class="link" href="remove.html#fusion.algorithm.transformation.functions.remove.example">Example</a>
</h6>
<pre class="programlisting"><span class="keyword">const</span> <a class="link" href="../../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special">&lt;</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">double</span><span class="special">&gt;</span> <span class="identifier">vec</span><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2.0</span><span class="special">);</span>
<span class="identifier">assert</span><span class="special">(</span><a class="link" href="remove.html" title="remove"><code class="computeroutput"><span class="identifier">remove</span></code></a><span class="special">&lt;</span><span class="keyword">double</span><span class="special">&gt;(</span><span class="identifier">vec</span><span class="special">)</span> <span class="special">==</span> <a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">1</span><span class="special">));</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
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<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.functions.remove_if"></a><a class="link" href="remove_if.html" title="remove_if">remove_if</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.functions.remove_if.description"></a><h6>
<a name="id985032"></a>
<a class="link" href="remove_if.html#fusion.algorithm.transformation.functions.remove_if.description">Description</a>
</h6>
<p>
Returns a new sequence, containing all the elements of the original except
those where a given unary function object evaluates to <code class="computeroutput"><span class="keyword">true</span></code>.
</p>
<a name="fusion.algorithm.transformation.functions.remove_if.synopsis"></a><h6>
<a name="id985061"></a>
<a class="link" href="remove_if.html#fusion.algorithm.transformation.functions.remove_if.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Pred</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/remove_if.html" title="remove_if"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">remove_if</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">Pred</span><span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">remove_if</span><span class="special">(</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id985190"></a><p class="title"><b>Table&#160;1.70.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Pred</span></code>
</p>
</td>
<td>
<p>
A model of unary <a href="http://www.boost.org/libs/mpl/doc/refmanual/lambda-expression.html" target="_top">MPL
Lambda Expression</a>
</p>
</td>
<td>
<p>
Removal predicate
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.functions.remove_if.expression_semantics"></a><h6>
<a name="id986408"></a>
<a class="link" href="remove_if.html#fusion.algorithm.transformation.functions.remove_if.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="remove_if.html" title="remove_if"><code class="computeroutput"><span class="identifier">remove_if</span></code></a><span class="special">&lt;</span><span class="identifier">Pred</span><span class="special">&gt;(</span><span class="identifier">seq</span><span class="special">);</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>:
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</li>
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> if <code class="computeroutput"><span class="identifier">seq</span></code>
implements the <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> model.
</li>
</ul></div>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a new sequence, containing
all the elements of <code class="computeroutput"><span class="identifier">seq</span></code>,
in their original order, except those elements with types for which
<code class="computeroutput"><span class="identifier">Pred</span></code> evaluates to <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">mpl</span><span class="special">::</span><span class="identifier">true_</span></code>. Equivalent to <code class="computeroutput"><a class="link" href="filter.html" title="filter"><code class="computeroutput"><span class="identifier">filter</span></code></a><span class="special">&lt;</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">mpl</span><span class="special">::</span><span class="identifier">not_</span><span class="special">&lt;</span><span class="identifier">Pred</span><span class="special">&gt;</span>
<span class="special">&gt;(</span><span class="identifier">seq</span><span class="special">)</span></code>.
</p>
<a name="fusion.algorithm.transformation.functions.remove_if.complexity"></a><h6>
<a name="id986604"></a>
<a class="link" href="remove_if.html#fusion.algorithm.transformation.functions.remove_if.complexity">Complexity</a>
</h6>
<p>
Constant. Returns a view which is lazily evaluated.
</p>
<a name="fusion.algorithm.transformation.functions.remove_if.header"></a><h6>
<a name="id986625"></a>
<a class="link" href="remove_if.html#fusion.algorithm.transformation.functions.remove_if.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">remove_if</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">remove_if</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.algorithm.transformation.functions.remove_if.example"></a><h6>
<a name="id986745"></a>
<a class="link" href="remove_if.html#fusion.algorithm.transformation.functions.remove_if.example">Example</a>
</h6>
<pre class="programlisting"><span class="keyword">const</span> <a class="link" href="../../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special">&lt;</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">double</span><span class="special">&gt;</span> <span class="identifier">vec</span><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2.0</span><span class="special">);</span>
<span class="identifier">assert</span><span class="special">(</span><a class="link" href="remove_if.html" title="remove_if"><code class="computeroutput"><span class="identifier">remove_if</span></code></a><span class="special">&lt;</span><span class="identifier">is_floating_point</span><span class="special">&lt;</span><span class="identifier">mpl</span><span class="special">::</span><span class="identifier">_</span><span class="special">&gt;</span> <span class="special">&gt;(</span><span class="identifier">vec</span><span class="special">)</span> <span class="special">==</span> <a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">1</span><span class="special">));</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
<title>replace</title>
<link rel="stylesheet" href="../../../../../../../../doc/src/boostbook.css" type="text/css">
<meta name="generator" content="DocBook XSL Stylesheets V1.75.2">
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</div>
<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.functions.replace"></a><a class="link" href="replace.html" title="replace">replace</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.functions.replace.description"></a><h6>
<a name="id981551"></a>
<a class="link" href="replace.html#fusion.algorithm.transformation.functions.replace.description">Description</a>
</h6>
<p>
Replaces each value within a sequence of a given type and value with
a new value.
</p>
<a name="fusion.algorithm.transformation.functions.replace.synopsis"></a><h6>
<a name="id981573"></a>
<a class="link" href="replace.html#fusion.algorithm.transformation.functions.replace.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">T</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/replace.html" title="replace"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">replace</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">T</span><span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">replace</span><span class="special">(</span>
<span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">T</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">old_value</span><span class="special">,</span> <span class="identifier">T</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">new_value</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id981747"></a><p class="title"><b>Table&#160;1.67.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>, <code class="computeroutput"><span class="identifier">e</span>
<span class="special">==</span> <span class="identifier">old_value</span></code>
is a valid expression, convertible to <code class="computeroutput"><span class="keyword">bool</span></code>,
for each element <code class="computeroutput"><span class="identifier">e</span></code>
in <code class="computeroutput"><span class="identifier">seq</span></code> with
type convertible to <code class="computeroutput"><span class="identifier">T</span></code>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">old_value</span></code>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
Value to replace
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">new_value</span></code>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
Replacement value
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.functions.replace.expression_semantics"></a><h6>
<a name="id981947"></a>
<a class="link" href="replace.html#fusion.algorithm.transformation.functions.replace.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="replace.html" title="replace"><code class="computeroutput"><span class="identifier">replace</span></code></a><span class="special">(</span><span class="identifier">seq</span><span class="special">,</span> <span class="identifier">old_value</span><span class="special">,</span> <span class="identifier">new_value</span><span class="special">);</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a new sequence with
all the values of <code class="computeroutput"><span class="identifier">seq</span></code>
with <code class="computeroutput"><span class="identifier">new_value</span></code> assigned
to elements with the same type and equal to <code class="computeroutput"><span class="identifier">old_value</span></code>.
</p>
<a name="fusion.algorithm.transformation.functions.replace.complexity"></a><h6>
<a name="id983141"></a>
<a class="link" href="replace.html#fusion.algorithm.transformation.functions.replace.complexity">Complexity</a>
</h6>
<p>
Constant. Returns a view which is lazily evaluated.
</p>
<a name="fusion.algorithm.transformation.functions.replace.header"></a><h6>
<a name="id983162"></a>
<a class="link" href="replace.html#fusion.algorithm.transformation.functions.replace.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">replace</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">replace</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.algorithm.transformation.functions.replace.example"></a><h6>
<a name="id983282"></a>
<a class="link" href="replace.html#fusion.algorithm.transformation.functions.replace.example">Example</a>
</h6>
<pre class="programlisting"><span class="identifier">assert</span><span class="special">(</span><a class="link" href="replace.html" title="replace"><code class="computeroutput"><span class="identifier">replace</span></code></a><span class="special">(</span><a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">),</span> <span class="number">2</span><span class="special">,</span> <span class="number">3</span><span class="special">)</span> <span class="special">==</span> <a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">3</span><span class="special">));</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.functions.replace_if"></a><a class="link" href="replace_if.html" title="replace_if">replace_if</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.functions.replace_if.description"></a><h6>
<a name="id983408"></a>
<a class="link" href="replace_if.html#fusion.algorithm.transformation.functions.replace_if.description">Description</a>
</h6>
<p>
Replaces each element of a given sequence for which an unary function
object evaluates to <code class="computeroutput"><span class="keyword">true</span></code>
replaced with a new value.
</p>
<a name="fusion.algorithm.transformation.functions.replace_if.synopsis"></a><h6>
<a name="id983435"></a>
<a class="link" href="replace_if.html#fusion.algorithm.transformation.functions.replace_if.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">F</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/replace_if.html" title="replace_if"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">replace_if</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">F</span><span class="special">,</span> <span class="identifier">T</span><span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">replace_if</span><span class="special">(</span>
<span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">F</span> <span class="identifier">f</span><span class="special">,</span> <span class="identifier">T</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">new_value</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id983623"></a><p class="title"><b>Table&#160;1.68.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">f</span></code>
</p>
</td>
<td>
<p>
A function object for which <code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">e</span><span class="special">)</span></code> is a valid expression, convertible
to <code class="computeroutput"><span class="keyword">bool</span></code>, for each
element <code class="computeroutput"><span class="identifier">e</span></code> in
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">new_value</span></code>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
Replacement value
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.functions.replace_if.expression_semantics"></a><h6>
<a name="id983816"></a>
<a class="link" href="replace_if.html#fusion.algorithm.transformation.functions.replace_if.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="replace_if.html" title="replace_if"><code class="computeroutput"><span class="identifier">replace_if</span></code></a><span class="special">(</span><span class="identifier">seq</span><span class="special">,</span> <span class="identifier">f</span><span class="special">,</span> <span class="identifier">new_value</span><span class="special">);</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a new sequence with
all the elements of <code class="computeroutput"><span class="identifier">seq</span></code>,
with <code class="computeroutput"><span class="identifier">new_value</span></code> assigned
to each element for which <code class="computeroutput"><span class="identifier">f</span></code>
evaluates to <code class="computeroutput"><span class="keyword">true</span></code>.
</p>
<a name="fusion.algorithm.transformation.functions.replace_if.complexity"></a><h6>
<a name="id983924"></a>
<a class="link" href="replace_if.html#fusion.algorithm.transformation.functions.replace_if.complexity">Complexity</a>
</h6>
<p>
Constant. Returns a view which is lazily evaluated.
</p>
<a name="fusion.algorithm.transformation.functions.replace_if.header"></a><h6>
<a name="id983946"></a>
<a class="link" href="replace_if.html#fusion.algorithm.transformation.functions.replace_if.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">replace_if</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">replace_if</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.algorithm.transformation.functions.replace_if.example"></a><h6>
<a name="id984066"></a>
<a class="link" href="replace_if.html#fusion.algorithm.transformation.functions.replace_if.example">Example</a>
</h6>
<pre class="programlisting"><span class="keyword">struct</span> <span class="identifier">odd</span>
<span class="special">{</span>
<span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> <span class="identifier">T</span><span class="special">&gt;</span>
<span class="keyword">bool</span> <span class="keyword">operator</span><span class="special">()(</span><span class="identifier">T</span> <span class="identifier">t</span><span class="special">)</span> <span class="keyword">const</span>
<span class="special">{</span>
<span class="keyword">return</span> <span class="identifier">t</span> <span class="special">%</span> <span class="number">2</span><span class="special">;</span>
<span class="special">}</span>
<span class="special">};</span>
<span class="special">...</span>
<span class="identifier">assert</span><span class="special">(</span><a class="link" href="replace_if.html" title="replace_if"><code class="computeroutput"><span class="identifier">replace_if</span></code></a><span class="special">(</span><a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">),</span> <span class="identifier">odd</span><span class="special">(),</span> <span class="number">3</span><span class="special">)</span> <span class="special">==</span> <a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">3</span><span class="special">,</span><span class="number">2</span><span class="special">));</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
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<html>
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<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
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</div>
<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.functions.reverse"></a><a class="link" href="reverse.html" title="reverse">reverse</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.functions.reverse.description"></a><h6>
<a name="id986912"></a>
<a class="link" href="reverse.html#fusion.algorithm.transformation.functions.reverse.description">Description</a>
</h6>
<p>
Returns a new sequence with the elements of the original in reverse order.
</p>
<a name="fusion.algorithm.transformation.functions.reverse.synposis"></a><h6>
<a name="id986934"></a>
<a class="link" href="reverse.html#fusion.algorithm.transformation.functions.reverse.synposis">Synposis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/reverse.html" title="reverse"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">reverse</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">reverse</span><span class="special">(</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id987042"></a><p class="title"><b>Table&#160;1.71.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody><tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/bidirectional_sequence.html" title="Bidirectional Sequence">Bidirectional
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr></tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.functions.reverse.expression_semantics"></a><h6>
<a name="id987128"></a>
<a class="link" href="reverse.html#fusion.algorithm.transformation.functions.reverse.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="reverse.html" title="reverse"><code class="computeroutput"><span class="identifier">reverse</span></code></a><span class="special">(</span><span class="identifier">seq</span><span class="special">);</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>:
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/bidirectional_sequence.html" title="Bidirectional Sequence">Bidirectional
Sequence</a> if <code class="computeroutput"><span class="identifier">seq</span></code>
is a <a class="link" href="../../../sequence/concepts/bidirectional_sequence.html" title="Bidirectional Sequence">Bidirectional
Sequence</a> else, <a class="link" href="../../../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a> if <code class="computeroutput"><span class="identifier">seq</span></code>
is a <a class="link" href="../../../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
Access Sequence</a>.
</li>
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> if <code class="computeroutput"><span class="identifier">seq</span></code>
implements the <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> model.
</li>
</ul></div>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a new sequence containing
all the elements of <code class="computeroutput"><span class="identifier">seq</span></code>
in reverse order.
</p>
<a name="fusion.algorithm.transformation.functions.reverse.complexity"></a><h6>
<a name="id987260"></a>
<a class="link" href="reverse.html#fusion.algorithm.transformation.functions.reverse.complexity">Complexity</a>
</h6>
<p>
Constant. Returns a view which is lazily evaluated.
</p>
<a name="fusion.algorithm.transformation.functions.reverse.header"></a><h6>
<a name="id987282"></a>
<a class="link" href="reverse.html#fusion.algorithm.transformation.functions.reverse.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">reverse</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">reverse</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.algorithm.transformation.functions.reverse.example"></a><h6>
<a name="id987402"></a>
<a class="link" href="reverse.html#fusion.algorithm.transformation.functions.reverse.example">Example</a>
</h6>
<pre class="programlisting"><span class="identifier">assert</span><span class="special">(</span><a class="link" href="reverse.html" title="reverse"><code class="computeroutput"><span class="identifier">reverse</span></code></a><span class="special">(</span><a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">,</span><span class="number">3</span><span class="special">))</span> <span class="special">==</span> <a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">3</span><span class="special">,</span><span class="number">2</span><span class="special">,</span><span class="number">1</span><span class="special">));</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
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<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.functions.transform"></a><a class="link" href="transform.html" title="transform">transform</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.functions.transform.description"></a><h6>
<a name="id980099"></a>
<a class="link" href="transform.html#fusion.algorithm.transformation.functions.transform.description">Description</a>
</h6>
<p>
For a sequence <code class="computeroutput"><span class="identifier">seq</span></code> and
function object or function pointer <code class="computeroutput"><span class="identifier">f</span></code>,
<code class="computeroutput"><span class="identifier">transform</span></code> returns a new
sequence with elements created by applying <code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">e</span><span class="special">)</span></code> to each element of <code class="computeroutput"><span class="identifier">e</span></code>
of <code class="computeroutput"><span class="identifier">seq</span></code>.
</p>
<a name="fusion.algorithm.transformation.functions.transform.unary_version_synopsis"></a><h6>
<a name="id980172"></a>
<a class="link" href="transform.html#fusion.algorithm.transformation.functions.transform.unary_version_synopsis">Unary
version synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">F</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/transform.html" title="transform"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">transform</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">F</span><span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">transform</span><span class="special">(</span>
<span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">F</span> <span class="identifier">f</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id980314"></a><p class="title"><b>Table&#160;1.65.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">f</span></code>
</p>
</td>
<td>
<p>
<code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">e</span><span class="special">)</span></code>
is a valid expression for each element <code class="computeroutput"><span class="identifier">e</span></code>
of <code class="computeroutput"><span class="identifier">seq</span></code>. <code class="computeroutput"><a href="http://www.boost.org/libs/utility/utility.htm#result_of" target="_top"><code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">result_of</span></code></a><span class="special">&lt;</span><span class="identifier">F</span><span class="special">(</span><span class="identifier">E</span><span class="special">)&gt;::</span><span class="identifier">type</span></code>
is the return type of <code class="computeroutput"><span class="identifier">f</span></code>
when called with a value of each element type <code class="computeroutput"><span class="identifier">E</span></code>.
</p>
</td>
<td>
<p>
Transformation function
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.functions.transform.expression_semantics"></a><h6>
<a name="id980522"></a>
<a class="link" href="transform.html#fusion.algorithm.transformation.functions.transform.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="transform.html" title="transform"><code class="computeroutput"><span class="identifier">transform</span></code></a><span class="special">(</span><span class="identifier">seq</span><span class="special">,</span> <span class="identifier">f</span><span class="special">);</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a new sequence, containing
the return values of <code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">e</span><span class="special">)</span></code> for each element <code class="computeroutput"><span class="identifier">e</span></code>
within <code class="computeroutput"><span class="identifier">seq</span></code>.
</p>
<a name="fusion.algorithm.transformation.functions.transform.binary_version_synopsis"></a><h6>
<a name="id980621"></a>
<a class="link" href="transform.html#fusion.algorithm.transformation.functions.transform.binary_version_synopsis">Binary
version synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence1</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">Sequence2</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">F</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/transform.html" title="transform"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">transform</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence1</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">Sequence2</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">F</span><span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">transform</span><span class="special">(</span>
<span class="identifier">Sequence1</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq1</span><span class="special">,</span> <span class="identifier">Sequence2</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq2</span><span class="special">,</span> <span class="identifier">F</span> <span class="identifier">f</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id980811"></a><p class="title"><b>Table&#160;1.66.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq1</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq2</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">f</span></code>
</p>
</td>
<td>
<p>
<code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">e1</span><span class="special">,</span><span class="identifier">e2</span><span class="special">)</span></code>
is a valid expression for each pair of elements <code class="computeroutput"><span class="identifier">e1</span></code> of <code class="computeroutput"><span class="identifier">seq1</span></code>
and <code class="computeroutput"><span class="identifier">e2</span></code> of
<code class="computeroutput"><span class="identifier">seq2</span></code>. <code class="computeroutput"><a href="http://www.boost.org/libs/utility/utility.htm#result_of" target="_top"><code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">result_of</span></code></a><span class="special">&lt;</span><span class="identifier">F</span><span class="special">(</span><span class="identifier">E1</span><span class="special">,</span><span class="identifier">E2</span><span class="special">)&gt;::</span><span class="identifier">type</span></code>
is the return type of <code class="computeroutput"><span class="identifier">f</span></code>
when called with elements of type <code class="computeroutput"><span class="identifier">E1</span></code>
and <code class="computeroutput"><span class="identifier">E2</span></code>
</p>
</td>
<td>
<p>
Transformation function
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><p>
<span class="bold"><strong>Return type</strong></span>: A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a new sequence, containing
the return values of <code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">e1</span><span class="special">,</span> <span class="identifier">e2</span><span class="special">)</span></code> for each pair of elements <code class="computeroutput"><span class="identifier">e1</span></code> and <code class="computeroutput"><span class="identifier">e2</span></code>
within <code class="computeroutput"><span class="identifier">seq1</span></code> and <code class="computeroutput"><span class="identifier">seq2</span></code> respectively.
</p>
<a name="fusion.algorithm.transformation.functions.transform.complexity"></a><h6>
<a name="id981171"></a>
<a class="link" href="transform.html#fusion.algorithm.transformation.functions.transform.complexity">Complexity</a>
</h6>
<p>
Constant. Returns a view which is lazily evaluated.
</p>
<a name="fusion.algorithm.transformation.functions.transform.header"></a><h6>
<a name="id981192"></a>
<a class="link" href="transform.html#fusion.algorithm.transformation.functions.transform.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">transform</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">transform</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.algorithm.transformation.functions.transform.example"></a><h6>
<a name="id981312"></a>
<a class="link" href="transform.html#fusion.algorithm.transformation.functions.transform.example">Example</a>
</h6>
<pre class="programlisting"><span class="keyword">struct</span> <span class="identifier">triple</span>
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="keyword">int</span> <span class="identifier">result_type</span><span class="special">;</span>
<span class="keyword">int</span> <span class="keyword">operator</span><span class="special">()(</span><span class="keyword">int</span> <span class="identifier">t</span><span class="special">)</span> <span class="keyword">const</span>
<span class="special">{</span>
<span class="keyword">return</span> <span class="identifier">t</span> <span class="special">*</span> <span class="number">3</span><span class="special">;</span>
<span class="special">};</span>
<span class="special">};</span>
<span class="special">...</span>
<span class="identifier">assert</span><span class="special">(</span><a class="link" href="transform.html" title="transform"><code class="computeroutput"><span class="identifier">transform</span></code></a><span class="special">(</span><a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">,</span><span class="number">3</span><span class="special">),</span> <span class="identifier">triple</span><span class="special">())</span> <span class="special">==</span> <a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">3</span><span class="special">,</span><span class="number">6</span><span class="special">,</span><span class="number">9</span><span class="special">));</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
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<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.functions.zip"></a><a class="link" href="zip.html" title="zip">zip</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.functions.zip.description"></a><h6>
<a name="id993748"></a>
<a class="link" href="zip.html#fusion.algorithm.transformation.functions.zip.description">Description</a>
</h6>
<p>
Zips sequences together to form a single sequence, whos members are tuples
of the members of the component sequences.
</p>
<a name="fusion.algorithm.transformation.functions.zip.synopsis"></a><h6>
<a name="id993767"></a>
<a class="link" href="zip.html#fusion.algorithm.transformation.functions.zip.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence1</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">Sequence2</span><span class="special">,</span>
<span class="special">...</span>
<span class="keyword">typename</span> <span class="identifier">SequenceN</span>
<span class="special">&gt;</span>
<span class="keyword">typename</span> <a class="link" href="../metafunctions/zip.html" title="zip"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">zip</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence1</span><span class="special">,</span> <span class="identifier">Sequence2</span><span class="special">,</span> <span class="special">...</span> <span class="identifier">SequenceN</span><span class="special">&gt;::</span><span class="identifier">type</span>
<span class="identifier">zip</span><span class="special">(</span><span class="identifier">Sequence1</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq1</span><span class="special">,</span> <span class="identifier">Sequence2</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seq2</span><span class="special">,</span> <span class="special">...</span> <span class="identifier">SequenceN</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">seqN</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id993969"></a><p class="title"><b>Table&#160;1.78.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody><tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">seq1</span></code> to <code class="computeroutput"><span class="identifier">seqN</span></code>
</p>
</td>
<td>
<p>
Each sequence is a model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr></tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.functions.zip.expression_semantics"></a><h6>
<a name="id994062"></a>
<a class="link" href="zip.html#fusion.algorithm.transformation.functions.zip.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="zip.html" title="zip"><code class="computeroutput"><span class="identifier">zip</span></code></a><span class="special">(</span><span class="identifier">seq1</span><span class="special">,</span> <span class="identifier">seq2</span><span class="special">,</span> <span class="special">...</span> <span class="identifier">seqN</span><span class="special">);</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a sequence containing
tuples of elements from sequences <code class="computeroutput"><span class="identifier">seq1</span></code>
to <code class="computeroutput"><span class="identifier">seqN</span></code>. For example,
applying zip to tuples <code class="computeroutput"><span class="special">(</span><span class="number">1</span><span class="special">,</span> <span class="number">2</span><span class="special">,</span> <span class="number">3</span><span class="special">)</span></code>
and <code class="computeroutput"><span class="special">(</span><span class="char">'a'</span><span class="special">,</span> <span class="char">'b'</span><span class="special">,</span>
<span class="char">'c'</span><span class="special">)</span></code>
would return <code class="computeroutput"><span class="special">((</span><span class="number">1</span><span class="special">,</span> <span class="char">'a'</span><span class="special">),(</span><span class="number">2</span><span class="special">,</span> <span class="char">'b'</span><span class="special">),(</span><span class="number">3</span><span class="special">,</span>
<span class="char">'c'</span><span class="special">))</span></code>
</p>
<a name="fusion.algorithm.transformation.functions.zip.complexity"></a><h6>
<a name="id995505"></a>
<a class="link" href="zip.html#fusion.algorithm.transformation.functions.zip.complexity">Complexity</a>
</h6>
<p>
Constant. Returns a view which is lazily evaluated.
</p>
<a name="fusion.algorithm.transformation.functions.zip.header"></a><h6>
<a name="id995524"></a>
<a class="link" href="zip.html#fusion.algorithm.transformation.functions.zip.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">zip</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">zip</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.algorithm.transformation.functions.zip.example"></a><h6>
<a name="id995640"></a>
<a class="link" href="zip.html#fusion.algorithm.transformation.functions.zip.example">Example</a>
</h6>
<pre class="programlisting"><a class="link" href="../../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special">&lt;</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">char</span><span class="special">&gt;</span> <span class="identifier">v1</span><span class="special">(</span><span class="number">1</span><span class="special">,</span> <span class="char">'a'</span><span class="special">);</span>
<a class="link" href="../../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special">&lt;</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">char</span><span class="special">&gt;</span> <span class="identifier">v2</span><span class="special">(</span><span class="number">2</span><span class="special">,</span> <span class="char">'b'</span><span class="special">);</span>
<span class="identifier">assert</span><span class="special">(</span><a class="link" href="zip.html" title="zip"><code class="computeroutput"><span class="identifier">zip</span></code></a><span class="special">(</span><span class="identifier">v1</span><span class="special">,</span> <span class="identifier">v2</span><span class="special">)</span> <span class="special">==</span> <a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">1</span><span class="special">,</span> <span class="number">2</span><span class="special">),</span><a class="link" href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="char">'a'</span><span class="special">,</span> <span class="char">'b'</span><span class="special">));</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
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<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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<dt><span class="section"><a href="metafunctions/insert.html">insert</a></span></dt>
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<a name="fusion.algorithm.transformation.metafunctions.clear"></a><a class="link" href="clear.html" title="clear">clear</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.metafunctions.clear.description"></a><h6>
<a name="id1006245"></a>
<a class="link" href="clear.html#fusion.algorithm.transformation.metafunctions.clear.description">Description</a>
</h6>
<p>
Returns the result type of <a class="link" href="../functions/clear.html" title="clear"><code class="computeroutput"><span class="identifier">clear</span></code></a>, given the input sequence
type.
</p>
<a name="fusion.algorithm.transformation.metafunctions.clear.synopsis"></a><h6>
<a name="id1006277"></a>
<a class="link" href="clear.html#fusion.algorithm.transformation.metafunctions.clear.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span>
<span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">clear</span>
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="emphasis"><em>unspecified</em></span> <span class="identifier">type</span><span class="special">;</span>
<span class="special">};</span>
</pre>
<div class="table">
<a name="id1006351"></a><p class="title"><b>Table&#160;1.92.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody><tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Sequence</span></code>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr></tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.metafunctions.clear.expression_semantics"></a><h6>
<a name="id1006433"></a>
<a class="link" href="clear.html#fusion.algorithm.transformation.metafunctions.clear.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="clear.html" title="clear"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">clear</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">&gt;::</span><span class="identifier">type</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns an empty sequence.
</p>
<a name="fusion.algorithm.transformation.metafunctions.clear.complexity"></a><h6>
<a name="id1006505"></a>
<a class="link" href="clear.html#fusion.algorithm.transformation.metafunctions.clear.complexity">Complexity</a>
</h6>
<p>
Constant.
</p>
<a name="fusion.algorithm.transformation.metafunctions.clear.header"></a><h6>
<a name="id1006526"></a>
<a class="link" href="clear.html#fusion.algorithm.transformation.metafunctions.clear.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">clear</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">clear</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
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<title>erase</title>
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<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.metafunctions.erase"></a><a class="link" href="erase.html" title="erase">erase</a>
</h5></div></div></div>
<p>
Returns the result type of <a class="link" href="../functions/erase.html" title="erase"><code class="computeroutput"><span class="identifier">erase</span></code></a>, given the input sequence
and range delimiting iterator types.
</p>
<a name="fusion.algorithm.transformation.metafunctions.erase.description"></a><h6>
<a name="id1006670"></a>
<a class="link" href="erase.html#fusion.algorithm.transformation.metafunctions.erase.description">Description</a>
</h6>
<a name="fusion.algorithm.transformation.metafunctions.erase.synopsis"></a><h6>
<a name="id1006688"></a>
<a class="link" href="erase.html#fusion.algorithm.transformation.metafunctions.erase.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">It1</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">It2</span> <span class="special">=</span> <span class="emphasis"><em>unspecified</em></span><span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">erase</span>
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="emphasis"><em>unspecified</em></span> <span class="identifier">type</span><span class="special">;</span>
<span class="special">};</span>
</pre>
<div class="table">
<a name="id1006796"></a><p class="title"><b>Table&#160;1.93.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Sequence</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">It1</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../iterator/concepts/forward_iterator.html" title="Forward Iterator">Forward
Iterator</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">It2</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../iterator/concepts/forward_iterator.html" title="Forward Iterator">Forward
Iterator</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.metafunctions.erase.expression_semantics"></a><h6>
<a name="id1006958"></a>
<a class="link" href="erase.html#fusion.algorithm.transformation.metafunctions.erase.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="erase.html" title="erase"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">erase</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">It1</span><span class="special">&gt;::</span><span class="identifier">type</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>:
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</li>
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> if <code class="computeroutput"><span class="identifier">Sequence</span></code>
implements the <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> model.
</li>
</ul></div>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a new sequence with
the element at <code class="computeroutput"><span class="identifier">It1</span></code> removed.
</p>
<pre class="programlisting"><a class="link" href="erase.html" title="erase"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">erase</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">It1</span><span class="special">,</span> <span class="identifier">It2</span><span class="special">&gt;::</span><span class="identifier">type</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a new sequence with
the elements between <code class="computeroutput"><span class="identifier">It1</span></code>
and <code class="computeroutput"><span class="identifier">It2</span></code> removed.
</p>
<a name="fusion.algorithm.transformation.metafunctions.erase.complexity"></a><h6>
<a name="id1007170"></a>
<a class="link" href="erase.html#fusion.algorithm.transformation.metafunctions.erase.complexity">Complexity</a>
</h6>
<p>
Constant.
</p>
<a name="fusion.algorithm.transformation.metafunctions.erase.header"></a><h6>
<a name="id1007192"></a>
<a class="link" href="erase.html#fusion.algorithm.transformation.metafunctions.erase.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">erase</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">erase</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
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<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.metafunctions.erase_key"></a><a class="link" href="erase_key.html" title="erase_key">erase_key</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.metafunctions.erase_key.description"></a><h6>
<a name="id1007320"></a>
<a class="link" href="erase_key.html#fusion.algorithm.transformation.metafunctions.erase_key.description">Description</a>
</h6>
<p>
Returns the result type of <a class="link" href="../functions/erase_key.html" title="erase_key"><code class="computeroutput"><span class="identifier">erase_key</span></code></a>, given the sequence
and key types.
</p>
<a name="fusion.algorithm.transformation.metafunctions.erase_key.synopsis"></a><h6>
<a name="id1007348"></a>
<a class="link" href="erase_key.html#fusion.algorithm.transformation.metafunctions.erase_key.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">Key</span>
<span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">erase_key</span>
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="emphasis"><em>unspecified</em></span> <span class="identifier">type</span><span class="special">;</span>
<span class="special">};</span>
</pre>
<div class="table">
<a name="id1007433"></a><p class="title"><b>Table&#160;1.94.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Sequence</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a> and <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Key</span></code>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
Key type
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.metafunctions.erase_key.expression_semantics"></a><h6>
<a name="id1007556"></a>
<a class="link" href="erase_key.html#fusion.algorithm.transformation.metafunctions.erase_key.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="erase_key.html" title="erase_key"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">erase_key</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">Key</span><span class="special">&gt;::</span><span class="identifier">type</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>: A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a> and <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a>.
</p>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a sequence with the
elements of <code class="computeroutput"><span class="identifier">Sequence</span></code>,
except those with key <code class="computeroutput"><span class="identifier">Key</span></code>.
</p>
<a name="fusion.algorithm.transformation.metafunctions.erase_key.complexity"></a><h6>
<a name="id1007654"></a>
<a class="link" href="erase_key.html#fusion.algorithm.transformation.metafunctions.erase_key.complexity">Complexity</a>
</h6>
<p>
Constant.
</p>
<a name="fusion.algorithm.transformation.metafunctions.erase_key.header"></a><h6>
<a name="id1007673"></a>
<a class="link" href="erase_key.html#fusion.algorithm.transformation.metafunctions.erase_key.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">erase_key</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">erase_key</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
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<html>
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<title>filter</title>
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<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.metafunctions.filter"></a><a class="link" href="filter.html" title="filter">filter</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.metafunctions.filter.description"></a><h6>
<a name="id998948"></a>
<a class="link" href="filter.html#fusion.algorithm.transformation.metafunctions.filter.description">Description</a>
</h6>
<p>
Returns the result type of <a class="link" href="../functions/filter.html" title="filter"><code class="computeroutput"><span class="identifier">filter</span></code></a> given the sequence type
and type to retain.
</p>
<a name="fusion.algorithm.transformation.metafunctions.filter.synopsis"></a><h6>
<a name="id998976"></a>
<a class="link" href="filter.html#fusion.algorithm.transformation.metafunctions.filter.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">T</span>
<span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">filter</span>
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="emphasis"><em>unspecified</em></span> <span class="identifier">type</span><span class="special">;</span>
<span class="special">};</span>
</pre>
<div class="table">
<a name="id999064"></a><p class="title"><b>Table&#160;1.83.&#160;Parameter</b></p>
<div class="table-contents"><table class="table" summary="Parameter">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Sequence</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">T</span></code>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
Type to retain
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.metafunctions.filter.expression_semantics"></a><h6>
<a name="id999184"></a>
<a class="link" href="filter.html#fusion.algorithm.transformation.metafunctions.filter.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="filter.html" title="filter"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">filter</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">T</span><span class="special">&gt;::</span><span class="identifier">type</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>:
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</li>
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> if <code class="computeroutput"><span class="identifier">Sequence</span></code>
implements the <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> model.
</li>
</ul></div>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a sequence containing
the elements of <code class="computeroutput"><span class="identifier">Sequence</span></code>
that are of type <code class="computeroutput"><span class="identifier">T</span></code>. Equivalent
to <code class="computeroutput"><a class="link" href="filter_if.html" title="filter_if"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">filter_if</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span>
<span class="identifier">boost</span><span class="special">::</span><span class="identifier">is_same</span><span class="special">&lt;</span><span class="identifier">mpl</span><span class="special">::</span><span class="identifier">_</span><span class="special">,</span> <span class="identifier">T</span><span class="special">&gt;</span> <span class="special">&gt;::</span><span class="identifier">type</span></code>.
</p>
<a name="fusion.algorithm.transformation.metafunctions.filter.complexity"></a><h6>
<a name="id999392"></a>
<a class="link" href="filter.html#fusion.algorithm.transformation.metafunctions.filter.complexity">Complexity</a>
</h6>
<p>
Constant.
</p>
<a name="fusion.algorithm.transformation.metafunctions.filter.header"></a><h6>
<a name="id999413"></a>
<a class="link" href="filter.html#fusion.algorithm.transformation.metafunctions.filter.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">filter</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">filter</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
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<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.metafunctions.filter_if"></a><a class="link" href="filter_if.html" title="filter_if">filter_if</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.metafunctions.filter_if.description"></a><h6>
<a name="id999542"></a>
<a class="link" href="filter_if.html#fusion.algorithm.transformation.metafunctions.filter_if.description">Description</a>
</h6>
<p>
Returns the result type of <a class="link" href="../functions/filter_if.html" title="filter_if"><code class="computeroutput"><span class="identifier">filter_if</span></code></a> given the sequence
and unary <a href="http://www.boost.org/libs/mpl/doc/refmanual/lambda-expression.html" target="_top">MPL
Lambda Expression</a> predicate type.
</p>
<a name="fusion.algorithm.transformation.metafunctions.filter_if.synopsis"></a><h6>
<a name="id999573"></a>
<a class="link" href="filter_if.html#fusion.algorithm.transformation.metafunctions.filter_if.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">Pred</span>
<span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">filter_if</span>
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="emphasis"><em>unspecified</em></span> <span class="identifier">type</span><span class="special">;</span>
<span class="special">};</span>
</pre>
<div class="table">
<a name="id999658"></a><p class="title"><b>Table&#160;1.84.&#160;Parameter</b></p>
<div class="table-contents"><table class="table" summary="Parameter">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Sequence</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Pred</span></code>
</p>
</td>
<td>
<p>
A unary <a href="http://www.boost.org/libs/mpl/doc/refmanual/lambda-expression.html" target="_top">MPL
Lambda Expression</a>
</p>
</td>
<td>
<p>
Type to retain
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.metafunctions.filter_if.expression_semantics"></a><h6>
<a name="id999783"></a>
<a class="link" href="filter_if.html#fusion.algorithm.transformation.metafunctions.filter_if.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="filter_if.html" title="filter_if"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">filter_if</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">Pred</span><span class="special">&gt;::</span><span class="identifier">type</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>:
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</li>
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> if <code class="computeroutput"><span class="identifier">Sequence</span></code>
implements the <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> model.
</li>
</ul></div>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a sequence containing
the elements of <code class="computeroutput"><span class="identifier">Sequence</span></code>
for which <code class="computeroutput"><span class="identifier">Pred</span></code> evaluates
to <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">mpl</span><span class="special">::</span><span class="identifier">true_</span></code>.
</p>
<a name="fusion.algorithm.transformation.metafunctions.filter_if.complexity"></a><h6>
<a name="id999933"></a>
<a class="link" href="filter_if.html#fusion.algorithm.transformation.metafunctions.filter_if.complexity">Complexity</a>
</h6>
<p>
Constant.
</p>
<a name="fusion.algorithm.transformation.metafunctions.filter_if.header"></a><h6>
<a name="id999952"></a>
<a class="link" href="filter_if.html#fusion.algorithm.transformation.metafunctions.filter_if.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">filter_if</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">filter_if</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
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<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.metafunctions.insert"></a><a class="link" href="insert.html" title="insert">insert</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.metafunctions.insert.description"></a><h6>
<a name="id1007801"></a>
<a class="link" href="insert.html#fusion.algorithm.transformation.metafunctions.insert.description">Description</a>
</h6>
<p>
Returns the result type of <a class="link" href="../functions/insert.html" title="insert"><code class="computeroutput"><span class="identifier">insert</span></code></a>, given the sequence,
position iterator and insertion types.
</p>
<a name="fusion.algorithm.transformation.metafunctions.insert.synopsis"></a><h6>
<a name="id1007830"></a>
<a class="link" href="insert.html#fusion.algorithm.transformation.metafunctions.insert.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">Position</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">T</span>
<span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">insert</span>
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="emphasis"><em>unspecified</em></span> <span class="identifier">type</span><span class="special">;</span>
<span class="special">};</span>
</pre>
<div class="table">
<a name="id1007931"></a><p class="title"><b>Table&#160;1.95.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Sequence</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Position</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../iterator/concepts/forward_iterator.html" title="Forward Iterator">Forward
Iterator</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">T</span></code>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.metafunctions.insert.expression_semantics"></a><h6>
<a name="id1008087"></a>
<a class="link" href="insert.html#fusion.algorithm.transformation.metafunctions.insert.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="insert.html" title="insert"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">insert</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">Position</span><span class="special">,</span> <span class="identifier">T</span><span class="special">&gt;::</span><span class="identifier">type</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>:
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</li></ul></div>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a sequence with an
element of type <code class="computeroutput"><span class="identifier">T</span></code> inserted
at position <code class="computeroutput"><span class="identifier">Position</span></code>
in <code class="computeroutput"><span class="identifier">Sequence</span></code>.
</p>
<a name="fusion.algorithm.transformation.metafunctions.insert.complexity"></a><h6>
<a name="id1008209"></a>
<a class="link" href="insert.html#fusion.algorithm.transformation.metafunctions.insert.complexity">Complexity</a>
</h6>
<p>
Constant.
</p>
<a name="fusion.algorithm.transformation.metafunctions.insert.header"></a><h6>
<a name="id1008231"></a>
<a class="link" href="insert.html#fusion.algorithm.transformation.metafunctions.insert.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">insert</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">insert</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
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<html>
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<title>insert_range</title>
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<meta name="generator" content="DocBook XSL Stylesheets V1.75.2">
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<table cellpadding="2" width="100%"><tr>
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</div>
<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.metafunctions.insert_range"></a><a class="link" href="insert_range.html" title="insert_range">insert_range</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.metafunctions.insert_range.description"></a><h6>
<a name="id1008364"></a>
<a class="link" href="insert_range.html#fusion.algorithm.transformation.metafunctions.insert_range.description">Description</a>
</h6>
<p>
Returns the result type of <a class="link" href="../functions/insert_range.html" title="insert_range"><code class="computeroutput"><span class="identifier">insert_range</span></code></a>, given the input
sequence, position iterator and insertion range types.
</p>
<a name="fusion.algorithm.transformation.metafunctions.insert_range.synopsis"></a><h6>
<a name="id1008390"></a>
<a class="link" href="insert_range.html#fusion.algorithm.transformation.metafunctions.insert_range.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">Position</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">Range</span>
<span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">insert_range</span>
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="emphasis"><em>unspecified</em></span> <span class="identifier">type</span><span class="special">;</span>
<span class="special">};</span>
</pre>
<div class="table">
<a name="id1008489"></a><p class="title"><b>Table&#160;1.96.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Sequence</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Position</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../iterator/concepts/forward_iterator.html" title="Forward Iterator">Forward
Iterator</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Range</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.metafunctions.insert_range.expression_semantics"></a><h6>
<a name="id1008650"></a>
<a class="link" href="insert_range.html#fusion.algorithm.transformation.metafunctions.insert_range.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="insert_range.html" title="insert_range"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">insert_range</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">Position</span><span class="special">,</span> <span class="identifier">Range</span><span class="special">&gt;::</span><span class="identifier">type</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>:
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</li>
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> if <code class="computeroutput"><span class="identifier">Sequence</span></code>
implements the <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> model.
</li>
</ul></div>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a sequence with the
elements of <code class="computeroutput"><span class="identifier">Range</span></code> inserted
at position <code class="computeroutput"><span class="identifier">Position</span></code>
into <code class="computeroutput"><span class="identifier">Sequence</span></code>.
</p>
<a name="fusion.algorithm.transformation.metafunctions.insert_range.complexity"></a><h6>
<a name="id1008795"></a>
<a class="link" href="insert_range.html#fusion.algorithm.transformation.metafunctions.insert_range.complexity">Complexity</a>
</h6>
<p>
Constant.
</p>
<a name="fusion.algorithm.transformation.metafunctions.insert_range.header"></a><h6>
<a name="id1008812"></a>
<a class="link" href="insert_range.html#fusion.algorithm.transformation.metafunctions.insert_range.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">insert_range</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">insert_range</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
<title>join</title>
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<meta name="generator" content="DocBook XSL Stylesheets V1.75.2">
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<table cellpadding="2" width="100%"><tr>
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<td align="center"><a href="../../../../../../../../index.html">Home</a></td>
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</div>
<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.metafunctions.join"></a><a class="link" href="join.html" title="join">join</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.metafunctions.join.description"></a><h6>
<a name="id1008940"></a>
<a class="link" href="join.html#fusion.algorithm.transformation.metafunctions.join.description">Description</a>
</h6>
<p>
Returns the result of joining 2 sequences, given the sequence types.
</p>
<a name="fusion.algorithm.transformation.metafunctions.join.synopsis"></a><h6>
<a name="id1008962"></a>
<a class="link" href="join.html#fusion.algorithm.transformation.metafunctions.join.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">LhSequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">RhSequence</span>
<span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">join</span>
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="emphasis"><em>unspecified</em></span> <span class="identifier">type</span><span class="special">;</span>
<span class="special">};</span>
</pre>
<a name="fusion.algorithm.transformation.metafunctions.join.expression_semantics"></a><h6>
<a name="id1011989"></a>
<a class="link" href="join.html#fusion.algorithm.transformation.metafunctions.join.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="join.html" title="join"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">join</span></code></a><span class="special">&lt;</span><span class="identifier">LhSequence</span><span class="special">,</span> <span class="identifier">RhSequence</span><span class="special">&gt;::</span><span class="identifier">type</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>:
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</li>
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> if <code class="computeroutput"><span class="identifier">LhSequence</span></code>
amd <code class="computeroutput"><span class="identifier">RhSequence</span></code> implement
the <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> model.
</li>
</ul></div>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a sequence containing
the elements of <code class="computeroutput"><span class="identifier">LhSequence</span></code>
followed by the elements of <code class="computeroutput"><span class="identifier">RhSequence</span></code>.
The order of the elements in the 2 sequences is preserved.
</p>
<a name="fusion.algorithm.transformation.metafunctions.join.complexity"></a><h6>
<a name="id1012127"></a>
<a class="link" href="join.html#fusion.algorithm.transformation.metafunctions.join.complexity">Complexity</a>
</h6>
<p>
Constant.
</p>
<a name="fusion.algorithm.transformation.metafunctions.join.header"></a><h6>
<a name="id1012148"></a>
<a class="link" href="join.html#fusion.algorithm.transformation.metafunctions.join.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">join</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">join</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
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<html>
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<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
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</div>
<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.metafunctions.pop_back"></a><a class="link" href="pop_back.html" title="pop_back">pop_back</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.metafunctions.pop_back.description"></a><h6>
<a name="id1012780"></a>
<a class="link" href="pop_back.html#fusion.algorithm.transformation.metafunctions.pop_back.description">Description</a>
</h6>
<p>
Returns the result type of <a class="link" href="../functions/pop_back.html" title="pop_back"><code class="computeroutput"><span class="identifier">pop_back</span></code></a>, given the input sequence
type.
</p>
<a name="fusion.algorithm.transformation.metafunctions.pop_back.synopsis"></a><h6>
<a name="id1012808"></a>
<a class="link" href="pop_back.html#fusion.algorithm.transformation.metafunctions.pop_back.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span>
<span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">pop_back</span>
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="emphasis"><em>unspecified</em></span> <span class="identifier">type</span><span class="special">;</span>
<span class="special">};</span>
</pre>
<div class="table">
<a name="id1012883"></a><p class="title"><b>Table&#160;1.97.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody><tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Sequence</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr></tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.metafunctions.pop_back.expression_semantics"></a><h6>
<a name="id1012969"></a>
<a class="link" href="pop_back.html#fusion.algorithm.transformation.metafunctions.pop_back.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="pop_back.html" title="pop_back"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">pop_back</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">&gt;::</span><span class="identifier">type</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>:
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</li>
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> if <code class="computeroutput"><span class="identifier">Sequence</span></code>
implements the <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> model.
</li>
</ul></div>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a sequence with all
the elements of <code class="computeroutput"><span class="identifier">Sequence</span></code>
except the last element.
</p>
<a name="fusion.algorithm.transformation.metafunctions.pop_back.complexity"></a><h6>
<a name="id1013082"></a>
<a class="link" href="pop_back.html#fusion.algorithm.transformation.metafunctions.pop_back.complexity">Complexity</a>
</h6>
<p>
Constant.
</p>
<a name="fusion.algorithm.transformation.metafunctions.pop_back.header"></a><h6>
<a name="id1013101"></a>
<a class="link" href="pop_back.html#fusion.algorithm.transformation.metafunctions.pop_back.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">pop_back</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">pop_back</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
<hr>
<div class="spirit-nav">
<a accesskey="p" href="zip.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../metafunctions.html"><img src="../../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="pop_front.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a>
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<meta name="generator" content="DocBook XSL Stylesheets V1.75.2">
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<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.metafunctions.pop_front"></a><a class="link" href="pop_front.html" title="pop_front">pop_front</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.metafunctions.pop_front.description"></a><h6>
<a name="id1013230"></a>
<a class="link" href="pop_front.html#fusion.algorithm.transformation.metafunctions.pop_front.description">Description</a>
</h6>
<p>
Returns the result type of <a class="link" href="../functions/pop_front.html" title="pop_front"><code class="computeroutput"><span class="identifier">pop_front</span></code></a>, given the input sequence
type.
</p>
<a name="fusion.algorithm.transformation.metafunctions.pop_front.synopsis"></a><h6>
<a name="id1013256"></a>
<a class="link" href="pop_front.html#fusion.algorithm.transformation.metafunctions.pop_front.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span>
<span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">pop_front</span>
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="emphasis"><em>unspecified</em></span> <span class="identifier">type</span><span class="special">;</span>
<span class="special">};</span>
</pre>
<div class="table">
<a name="id1013328"></a><p class="title"><b>Table&#160;1.98.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody><tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Sequence</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr></tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.metafunctions.pop_front.expression_semantics"></a><h6>
<a name="id1013414"></a>
<a class="link" href="pop_front.html#fusion.algorithm.transformation.metafunctions.pop_front.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="pop_front.html" title="pop_front"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">pop_front</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">&gt;::</span><span class="identifier">type</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>:
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</li>
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> if <code class="computeroutput"><span class="identifier">Sequence</span></code>
implements the <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> model.
</li>
</ul></div>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a sequence with all
the elements of <code class="computeroutput"><span class="identifier">Sequence</span></code>
except the first element.
</p>
<a name="fusion.algorithm.transformation.metafunctions.pop_front.complexity"></a><h6>
<a name="id1013527"></a>
<a class="link" href="pop_front.html#fusion.algorithm.transformation.metafunctions.pop_front.complexity">Complexity</a>
</h6>
<p>
Constant.
</p>
<a name="fusion.algorithm.transformation.metafunctions.pop_front.header"></a><h6>
<a name="id1013546"></a>
<a class="link" href="pop_front.html#fusion.algorithm.transformation.metafunctions.pop_front.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">pop_front</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">pop_front</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
<title>push_back</title>
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<meta name="generator" content="DocBook XSL Stylesheets V1.75.2">
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<table cellpadding="2" width="100%"><tr>
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</div>
<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.metafunctions.push_back"></a><a class="link" href="push_back.html" title="push_back">push_back</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.metafunctions.push_back.description"></a><h6>
<a name="id1013675"></a>
<a class="link" href="push_back.html#fusion.algorithm.transformation.metafunctions.push_back.description">Description</a>
</h6>
<p>
Returns the result type of <a class="link" href="../functions/push_back.html" title="push_back"><code class="computeroutput"><span class="identifier">push_back</span></code></a>, given the types of
the input sequence and element to push.
</p>
<a name="fusion.algorithm.transformation.metafunctions.push_back.synopsis"></a><h6>
<a name="id1013701"></a>
<a class="link" href="push_back.html#fusion.algorithm.transformation.metafunctions.push_back.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">T</span>
<span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">push_back</span>
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="emphasis"><em>unspecified</em></span> <span class="identifier">type</span><span class="special">;</span>
<span class="special">};</span>
</pre>
<div class="table">
<a name="id1013786"></a><p class="title"><b>Table&#160;1.99.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Sequence</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">T</span></code>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.metafunctions.push_back.expression_semantics"></a><h6>
<a name="id1013905"></a>
<a class="link" href="push_back.html#fusion.algorithm.transformation.metafunctions.push_back.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="push_back.html" title="push_back"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">push_back</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">T</span><span class="special">&gt;::</span><span class="identifier">type</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>:
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</li></ul></div>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a sequence with the
elements of <code class="computeroutput"><span class="identifier">Sequence</span></code>
and an element of type <code class="computeroutput"><span class="identifier">T</span></code>
added to the end.
</p>
<a name="fusion.algorithm.transformation.metafunctions.push_back.complexity"></a><h6>
<a name="id1014008"></a>
<a class="link" href="push_back.html#fusion.algorithm.transformation.metafunctions.push_back.complexity">Complexity</a>
</h6>
<p>
Constant.
</p>
<a name="fusion.algorithm.transformation.metafunctions.push_back.header"></a><h6>
<a name="id1014028"></a>
<a class="link" href="push_back.html#fusion.algorithm.transformation.metafunctions.push_back.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">push_back</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">push_back</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
<title>push_front</title>
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</div>
<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.metafunctions.push_front"></a><a class="link" href="push_front.html" title="push_front">push_front</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.metafunctions.push_front.description"></a><h6>
<a name="id1014161"></a>
<a class="link" href="push_front.html#fusion.algorithm.transformation.metafunctions.push_front.description">Description</a>
</h6>
<p>
Returns the result type of <a class="link" href="../functions/push_front.html" title="push_front"><code class="computeroutput"><span class="identifier">push_front</span></code></a>, given the types
of the input sequence and element to push.
</p>
<a name="fusion.algorithm.transformation.metafunctions.push_front.synopsis"></a><h6>
<a name="id1014188"></a>
<a class="link" href="push_front.html#fusion.algorithm.transformation.metafunctions.push_front.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">T</span>
<span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">push_front</span>
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="emphasis"><em>unspecified</em></span> <span class="identifier">type</span><span class="special">;</span>
<span class="special">};</span>
</pre>
<div class="table">
<a name="id1014273"></a><p class="title"><b>Table&#160;1.100.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Sequence</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">T</span></code>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.metafunctions.push_front.expression_semantics"></a><h6>
<a name="id1014392"></a>
<a class="link" href="push_front.html#fusion.algorithm.transformation.metafunctions.push_front.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="push_front.html" title="push_front"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">push_front</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">T</span><span class="special">&gt;::</span><span class="identifier">type</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>:
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</li></ul></div>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a sequence with the
elements of <code class="computeroutput"><span class="identifier">Sequence</span></code>
and an element of type <code class="computeroutput"><span class="identifier">T</span></code>
added to the beginning.
</p>
<a name="fusion.algorithm.transformation.metafunctions.push_front.complexity"></a><h6>
<a name="id1014497"></a>
<a class="link" href="push_front.html#fusion.algorithm.transformation.metafunctions.push_front.complexity">Complexity</a>
</h6>
<p>
Constant.
</p>
<a name="fusion.algorithm.transformation.metafunctions.push_front.header"></a><h6>
<a name="id1014516"></a>
<a class="link" href="push_front.html#fusion.algorithm.transformation.metafunctions.push_front.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">push_front</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">push_front</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
<hr>
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<a accesskey="p" href="push_back.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../metafunctions.html"><img src="../../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="../../../tuple.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a>
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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
<title>remove</title>
<link rel="stylesheet" href="../../../../../../../../doc/src/boostbook.css" type="text/css">
<meta name="generator" content="DocBook XSL Stylesheets V1.75.2">
<link rel="home" href="../../../../index.html" title="Chapter&#160;1.&#160;Fusion 2.0">
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<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.metafunctions.remove"></a><a class="link" href="remove.html" title="remove">remove</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.metafunctions.remove.description"></a><h6>
<a name="id1002697"></a>
<a class="link" href="remove.html#fusion.algorithm.transformation.metafunctions.remove.description">Description</a>
</h6>
<p>
Returns the result type of <a class="link" href="../functions/remove.html" title="remove"><code class="computeroutput"><span class="identifier">remove</span></code></a>, given the sequence and
removal types.
</p>
<a name="fusion.algorithm.transformation.metafunctions.remove.synopsis"></a><h6>
<a name="id1004639"></a>
<a class="link" href="remove.html#fusion.algorithm.transformation.metafunctions.remove.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">T</span>
<span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">remove</span>
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="emphasis"><em>unspecified</em></span> <span class="identifier">type</span><span class="special">;</span>
<span class="special">};</span>
</pre>
<div class="table">
<a name="id1004726"></a><p class="title"><b>Table&#160;1.89.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Sequence</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">T</span></code>
</p>
</td>
<td>
<p>
Any type
</p>
</td>
<td>
<p>
Remove elements of this type
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.metafunctions.remove.expression_semantics"></a><h6>
<a name="id1004845"></a>
<a class="link" href="remove.html#fusion.algorithm.transformation.metafunctions.remove.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="remove.html" title="remove"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">remove</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">T</span><span class="special">&gt;::</span><span class="identifier">type</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>:
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</li>
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> if <code class="computeroutput"><span class="identifier">Sequence</span></code>
implements the <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> model.
</li>
</ul></div>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a sequence containing
the elements of <code class="computeroutput"><span class="identifier">Sequence</span></code>
not of type <code class="computeroutput"><span class="identifier">T</span></code>. Equivalent
to <code class="computeroutput"><a class="link" href="replace_if.html" title="replace_if"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">replace_if</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span>
<span class="identifier">boost</span><span class="special">::</span><span class="identifier">is_same</span><span class="special">&lt;</span><span class="identifier">mpl</span><span class="special">::</span><span class="identifier">_</span><span class="special">,</span> <span class="identifier">T</span><span class="special">&gt;</span> <span class="special">&gt;::</span><span class="identifier">type</span></code>.
</p>
<a name="fusion.algorithm.transformation.metafunctions.remove.complexity"></a><h6>
<a name="id1005055"></a>
<a class="link" href="remove.html#fusion.algorithm.transformation.metafunctions.remove.complexity">Complexity</a>
</h6>
<p>
Constant.
</p>
<a name="fusion.algorithm.transformation.metafunctions.remove.header"></a><h6>
<a name="id1005077"></a>
<a class="link" href="remove.html#fusion.algorithm.transformation.metafunctions.remove.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">remove</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">remove</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
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<a accesskey="p" href="replace_if.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../metafunctions.html"><img src="../../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="remove_if.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a>
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<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.metafunctions.remove_if"></a><a class="link" href="remove_if.html" title="remove_if">remove_if</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.metafunctions.remove_if.description"></a><h6>
<a name="id1005205"></a>
<a class="link" href="remove_if.html#fusion.algorithm.transformation.metafunctions.remove_if.description">Description</a>
</h6>
<p>
Returns the result type of <a class="link" href="../functions/remove_if.html" title="remove_if"><code class="computeroutput"><span class="identifier">remove_if</span></code></a>, given the input sequence
and unary <a href="http://www.boost.org/libs/mpl/doc/refmanual/lambda-expression.html" target="_top">MPL
Lambda Expression</a> predicate types.
</p>
<a name="fusion.algorithm.transformation.metafunctions.remove_if.synopsis"></a><h6>
<a name="id1005236"></a>
<a class="link" href="remove_if.html#fusion.algorithm.transformation.metafunctions.remove_if.synopsis">Synopsis</a>
</h6>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
<span class="keyword">typename</span> <span class="identifier">Pred</span>
<span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">remove_if</span>
<span class="special">{</span>
<span class="keyword">typedef</span> <span class="emphasis"><em>unspecified</em></span> <span class="identifier">type</span><span class="special">;</span>
<span class="special">};</span>
</pre>
<div class="table">
<a name="id1005321"></a><p class="title"><b>Table&#160;1.90.&#160;Parameters</b></p>
<div class="table-contents"><table class="table" summary="Parameters">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
<p>
Parameter
</p>
</th>
<th>
<p>
Requirement
</p>
</th>
<th>
<p>
Description
</p>
</th>
</tr></thead>
<tbody>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Sequence</span></code>
</p>
</td>
<td>
<p>
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>
</p>
</td>
<td>
<p>
Operation's argument
</p>
</td>
</tr>
<tr>
<td>
<p>
<code class="computeroutput"><span class="identifier">Pred</span></code>
</p>
</td>
<td>
<p>
A model of unary <a href="http://www.boost.org/libs/mpl/doc/refmanual/lambda-expression.html" target="_top">MPL
Lambda Expression</a>
</p>
</td>
<td>
<p>
Remove elements which evaluate to <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">mpl</span><span class="special">::</span><span class="identifier">true_</span></code>
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.metafunctions.remove_if.expression_semantics"></a><h6>
<a name="id1005468"></a>
<a class="link" href="remove_if.html#fusion.algorithm.transformation.metafunctions.remove_if.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="remove_if.html" title="remove_if"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">remove_if</span></code></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">Pred</span><span class="special">&gt;::</span><span class="identifier">type</span>
</pre>
<p>
<span class="bold"><strong>Return type</strong></span>:
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
Sequence</a>.
</li>
<li class="listitem">
A model of <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> if <code class="computeroutput"><span class="identifier">Sequence</span></code>
implements the <a class="link" href="../../../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associative
Sequence</a> model.
</li>
</ul></div>
<p>
<span class="bold"><strong>Semantics</strong></span>: Returns a sequence containing
the elements of <code class="computeroutput"><span class="identifier">Sequence</span></code>
for which <code class="computeroutput"><span class="identifier">Pred</span></code> evaluates
to <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">mpl</span><span class="special">::</span><span class="identifier">false_</span></code>.
</p>
<a name="fusion.algorithm.transformation.metafunctions.remove_if.complexity"></a><h6>
<a name="id1005618"></a>
<a class="link" href="remove_if.html#fusion.algorithm.transformation.metafunctions.remove_if.complexity">Complexity</a>
</h6>
<p>
Constant.
</p>
<a name="fusion.algorithm.transformation.metafunctions.remove_if.header"></a><h6>
<a name="id1005637"></a>
<a class="link" href="remove_if.html#fusion.algorithm.transformation.metafunctions.remove_if.header">Header</a>
</h6>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">transformation</span><span class="special">/</span><span class="identifier">remove_if</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">remove_if</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
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<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
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