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Author SHA1 Message Date
8f9736a5f3 Release 1.51.0
[SVN r80098]
2012-08-20 22:07:05 +00:00
9cceb79cf8 update from trunk fixing http://boost.2283326.n4.nabble.com/fusion-g-4-6-deque-and-c-0x-compile-error-td4632499.html
[SVN r79958]
2012-08-11 02:36:08 +00:00
5a51e5d9aa Merge from trunk
[SVN r79274]
2012-07-05 04:40:37 +00:00
bcb5fd9618 Merge r77879 from trunk.
I think it should have been merged in r78201, and was messing up the doc build
(you can see it in the content in 1.50 beta1).


[SVN r78876]
2012-06-11 01:30:33 +00:00
e03dcc7c54 added missing file from last merge
[SVN r78203]
2012-04-26 02:27:13 +00:00
2e99690387 added missing file from last merge
[SVN r78202]
2012-04-26 00:26:25 +00:00
ee33ea5cfa Merging 77932-78199 from trunk
[SVN r78201]
2012-04-26 00:18:58 +00:00
93477e270e Merging 77932-78199 from trunk
[SVN r78200]
2012-04-26 00:18:51 +00:00
b159898a47 Fix missed merge from 6338
[SVN r76791]
2012-01-30 00:13:38 +00:00
9a8955fbe1 Merge from trunk
[SVN r75980]
2011-12-16 02:14:17 +00:00
44b337abb0 Fix Ticket #6067
[SVN r75320]
2011-11-05 01:05:04 +00:00
af16a84f09 Bumped copyright date and version to 2.1 (it's about time!) + fixed copyright notices and dates.
[SVN r74887]
2011-10-10 10:38:37 +00:00
4b6dddde03 Bumped copyright date and version to 2.1 (it's about time!).
[SVN r74884]
2011-10-10 10:07:45 +00:00
01156b172a Fix for ticket #6000
[SVN r74873]
2011-10-10 02:33:13 +00:00
295bacb652 Merge from trunk
[SVN r74791]
2011-10-08 08:23:11 +00:00
adb2d8bef0 merge [70965] [73644] [73668] [73669] [73683] [73770] [73771] [73831] [73834] [73854] [73892] [73898] [73899] [73906] [73908] [73927] [74019] [74048] [74113] from trunk to release
[SVN r74325]
2011-09-09 03:27:28 +00:00
518ac25a80 merged [73583] from trunk
[SVN r73606]
2011-08-08 06:29:25 +00:00
efea9aec4b merge [72977] from trunk, regenerate docs
[SVN r73156]
2011-07-16 21:16:10 +00:00
c411c4b479 Spirit: merging from trunk (68457,68496,68522,68865,69218-69219,69294,69476,69546,70042-70043,70049-70050
68320,68374,68377,68386,68449,68461,68485,68487,68489,68491,68494-68495
68519-68520,68523,68536,68538-68539,68548-68549,68576,68645-68646,68657,68676
68687,68690,68707,68725,68744-68746,68852-68853,68861,68870,68904,68906-68908
68938,68989,69020,69022-69024,69091-69092,69103-69104,69114,69136,69138,69193
69202,69204,69233,69292-69293,69295,69297-69298,69323,69337,69378-69380,69405,69429,69431-69433,69444,69450
69495-69498,69501,69503,69505,69527,69599,69618,69623,69670-69671,69673,69675,69772-69774,69780
69811,69813-69814,69833,69851,70045,70211-70216,70224-70225,70483,70549-70550
Fusion: 69113,69118,69137,69583,69589,70008-70009)


[SVN r70577]
2011-03-26 17:18:36 +00:00
13aca9d862 Fusion: merging from trunk stuff needed for Spirit (69113,69118,69137,69583,69589,70008-70009)
[SVN r70575]
2011-03-26 17:10:26 +00:00
dcbebe60f1 Merge from trunk
[SVN r69453]
2011-03-02 00:08:13 +00:00
577a607a14 fix for VC8 (connected to ticket 5084 -showstopper)
[SVN r68325]
2011-01-20 20:47:25 +00:00
aa30bad7e4 fix 1.46 showstopper, fix #5084
[SVN r68264]
2011-01-19 04:28:17 +00:00
94f5406936 Merging fixes to release; fixes #2294 fixes #4918 fixes #3645 refs #2823 refs #1427 refs #2893
[SVN r67792]
2011-01-08 18:38:08 +00:00
cd811f56bc Fusion: merge from trunk
[SVN r67492]
2010-12-29 19:54:59 +00:00
7aa4e2cbda Fusion: merge from trunk - fixed minor doc typos
[SVN r65895]
2010-10-10 20:57:01 +00:00
9792f67700 Fusion: merge from trunk
[SVN r65821]
2010-10-07 22:58:44 +00:00
a3427ea75b Fusion: merge from trunk
[SVN r65735]
2010-10-03 09:46:00 +00:00
134fbf9600 fix for adapted classes' category
[SVN r63805]
2010-07-10 10:06:33 +00:00
199d8b548f merged fusion from the trunk (3)
[SVN r63757]
2010-07-08 18:32:12 +00:00
0f4ac2e9e3 Merge rebuilt fusion documentation with missing file.
[SVN r63737]
2010-07-08 07:50:58 +00:00
32adb57290 Merge rebuilt fusion documentation.
[SVN r63631]
2010-07-04 20:19:01 +00:00
02b2a88bea merged fusion from the trunk (2)
[SVN r63562]
2010-07-03 20:31:16 +00:00
1572e0e9c3 merged fusion from the trunk
[SVN r63560]
2010-07-03 20:10:58 +00:00
649770fdcd merged revision 62675
[SVN r63528]
2010-07-02 18:53:17 +00:00
6f0af5db0a Merge documentation fixes.
* Use `doc/src/*.css` instead of `doc/html/*.css`.
* Remove wiki and people directories.
* Some documentation fixes.
* Left out `minimal.css` changes and boostbook changes because of clashes.


[SVN r63347]
2010-06-26 12:30:09 +00:00
95555f3f20 removes outdated and defunct files
[SVN r61599]
2010-04-26 23:34:55 +00:00
0f33972fe9 fix #1614
[SVN r61487]
2010-04-22 13:14:47 +00:00
a0733ce5ee merge from trunk
[SVN r61204]
2010-04-11 15:41:36 +00:00
dc8225a7aa merge from trunk
[SVN r61189]
2010-04-11 00:31:21 +00:00
994b37e4d5 merge from trunk
[SVN r61043]
2010-04-04 14:43:54 +00:00
3f4d3eb887 Copy generated fusion documentation from trunk.
[SVN r59021]
2010-01-15 06:35:28 +00:00
cda74605fc fusion: merge of associative iterators/views and the new fold interface
[SVN r58618]
2010-01-01 22:00:21 +00:00
b605617c4f Fusion: merged fixes for MSVC warnings from trunk
[SVN r57533]
2009-11-10 02:37:19 +00:00
b22e2b64da rm cmake from the release branch before it goes out broken. Policy dictates that you never commit to release, you commit to trunk and merge to release.
[SVN r56941]
2009-10-17 01:10:45 +00:00
46fc256c2f Sync from trunk (except adapt class)
[SVN r56714]
2009-10-11 16:12:54 +00:00
7615b492af Sync from trunk (except adapt class)
[SVN r56713]
2009-10-11 16:08:54 +00:00
e0a17b552c Fusion: merged nview from trunk
[SVN r56490]
2009-09-30 02:33:30 +00:00
2e805be6df merge from trunk
[SVN r56179]
2009-09-14 07:47:53 +00:00
2f8b91828b merge from trunk
[SVN r56178]
2009-09-14 07:40:39 +00:00
ea5ea7f001 Fix up logic and date_time Jamfiles so they build needed dependencies.
Fix PDF image paths in fusion Jamfile.v2.
Add fusion to the PDF build.

[SVN r55757]
2009-08-24 10:31:43 +00:00
df633002dd Add basic copyright/license to keep cmake out of the inspection report
[SVN r55095]
2009-07-22 21:51:01 +00:00
d726756148 Fusion: merging from trunk
[SVN r53596]
2009-06-03 12:44:26 +00:00
efcab8aae4 Merged revisions 53158,53182,53334,53337,53419,53421,53521,53566-53568,53578,53590 via svnmerge from
https://svn.boost.org/svn/boost/trunk



[SVN r53591]
2009-06-03 04:32:30 +00:00
5dff610007 merge of cmake build files from trunk per beman
[SVN r50756]
2009-01-24 18:57:20 +00:00
d004046aa5 Merge from Trunk
[SVN r49252]
2008-10-10 15:05:47 +00:00
a046e43990 Merge from Trunk
[SVN r49251]
2008-10-10 14:49:19 +00:00
b1ebdd60a6 Merged revisions 48769 via svnmerge from
https://svn.boost.org/svn/boost/trunk

........
  r48769 | eric_niebler | 2008-09-13 21:46:32 -0700 (Sat, 13 Sep 2008) | 1 line
  
  attempt to work around early instantiation problem on edg-based compilers
........


[SVN r48817]
2008-09-17 15:54:23 +00:00
0b58f052b3 doc updates (mini tweaks)
[SVN r47668]
2008-07-22 02:06:42 +00:00
36736edec5 pair doc fix
[SVN r47528]
2008-07-17 23:59:40 +00:00
57725cb393 merge from trunk
[SVN r47205]
2008-07-08 02:43:21 +00:00
099deb4385 merge from trunk
[SVN r47204]
2008-07-08 02:39:55 +00:00
d150ba8498 Fixed non-ascii chars
[SVN r46898]
2008-06-30 12:06:07 +00:00
df2abdab6b Fixed non-ascii chars
[SVN r46897]
2008-06-30 12:04:15 +00:00
780b8bc1b0 With his kind permission, change Jaakko "Järvi" to "Jarvi"
[SVN r46809]
2008-06-28 13:57:20 +00:00
813930aee6 Rebuild a lot of documentation.
[SVN r43650]
2008-03-16 11:38:32 +00:00
9e8d8b1871 Merged revisions 43206,43208-43213 via svnmerge from
https://svn.boost.org/svn/boost/trunk

........
  r43206 | danieljames | 2008-02-10 09:55:03 +0000 (Sun, 10 Feb 2008) | 1 line
  
  Fix some broken links.
........
  r43209 | danieljames | 2008-02-10 14:56:22 +0000 (Sun, 10 Feb 2008) | 1 line
  
  Link to people pages on the website, as they've been removed from the download.
........
  r43210 | danieljames | 2008-02-10 15:02:17 +0000 (Sun, 10 Feb 2008) | 1 line
  
  Point links to the pages that used to be in 'more' to the site.
........
  r43212 | danieljames | 2008-02-10 16:10:16 +0000 (Sun, 10 Feb 2008) | 1 line
  
  Fix links on the home page as well.
........
  r43213 | danieljames | 2008-02-10 16:21:22 +0000 (Sun, 10 Feb 2008) | 1 line
  
  Generated documentation which is no longer generated.
........


[SVN r43214]
2008-02-10 16:39:38 +00:00
4a29dd2a7c merge from trunk
[SVN r42226]
2007-12-21 03:13:31 +00:00
7bd2fd716d merge from trunk
[SVN r42225]
2007-12-21 02:45:20 +00:00
d57e8cfe9e Full merge from trunk at revision 41356 of entire boost-root tree.
[SVN r41370]
2007-11-25 18:38:02 +00:00
ed9cb87ac3 Full merge from trunk at revision 41356 of entire boost-root tree.
[SVN r41369]
2007-11-25 18:07:19 +00:00
390 changed files with 2687 additions and 46892 deletions

View File

@ -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

View File

@ -244,7 +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
@ -287,9 +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]
@ -312,7 +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
@ -427,7 +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
@ -463,7 +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.
@ -478,8 +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.
@ -539,7 +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(
@ -567,7 +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
@ -600,7 +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
{
@ -609,41 +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__
@ -658,7 +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)
@ -670,7 +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)...`
@ -708,40 +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),
@ -753,7 +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__
@ -778,7 +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
@ -800,7 +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.
@ -811,7 +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
{
@ -820,47 +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__
@ -887,7 +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)...`
@ -914,7 +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.
@ -925,7 +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
{
@ -935,48 +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__
@ -1028,14 +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
@ -1097,14 +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
@ -1115,6 +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]
@ -1162,14 +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
@ -1177,7 +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,
@ -1238,14 +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
@ -1253,7 +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,

View File

@ -134,7 +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

@ -44,6 +44,5 @@ This section summarizes significant changes to the Fusion library.
* 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)
[endsect]

View File

@ -21,10 +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]
@ -95,7 +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]
@ -156,7 +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`]]
]
@ -246,7 +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]
@ -289,6 +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]
@ -332,7 +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]
@ -414,13 +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__
* __random_access_sequence__
* __forward_sequence__
[variablelist Notation
[[`M`] [A `map` type]]
@ -432,7 +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 __forward_sequence__ and __associative_sequence__.
defined in __random_access_sequence__ and __associative_sequence__.
[table
[[Expression] [Semantics]]
@ -617,6 +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]
@ -682,7 +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
@ -734,6 +1001,7 @@ succeeding sections document the various /tier/ flavors.
* __list_tie__
* __vector_tie__
* __map_tie__
* __deque_tie__
Example:
@ -914,6 +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]
@ -1039,8 +1357,8 @@ rules for __element_conversion__.
[heading Header]
#include <boost/fusion/container/generation/make_vector.hpp>
#include <boost/fusion/include/make_vector.hpp>
#include <boost/fusion/container/generation/make_list.hpp>
#include <boost/fusion/include/make_list.hpp>
[heading Example]
@ -1048,6 +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]
@ -1240,6 +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]
@ -1388,6 +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]
@ -1559,6 +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

@ -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

@ -9,9 +9,9 @@
===============================================================================/]
[library Fusion
[quickbook 1.3]
[version 2.2]
[version 2.1]
[authors [de Guzman, Joel], [Marsden, Dan], [Schwinger, Tobias]]
[copyright 2001 2002 2003 2004 2005 2006 2011 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.
@ -116,6 +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`]]
@ -198,12 +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]]

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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
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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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<a name="fusion.adapted"></a><a class="link" href="adapted.html" title="Adapted">Adapted</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>
<dt><span class="section"><a href="adapted/adapt_assoc_tpl_struct.html"> BOOST_FUSION_ADAPT_ASSOC_TPL_STRUCT</a></span></dt>
<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="id953794"></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="id966699"></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="id966817"></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="id967105"></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="id967220"></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="id967865"></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="section">
<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="id961292"></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="id961318"></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="id961419"></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="id961496"></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="id961611"></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>
</div></td>
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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="id969351"></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="id969485"></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="id970908"></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="id971023"></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="id971773"></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="id965889"></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="id965917"></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="id966138"></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="id966312"></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="id966427"></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="id971824"></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="id972000"></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="id972389"></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="id972504"></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="id974166"></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="id961870"></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="id965174"></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="id965317"></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="id965453"></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="id965568"></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>
</h3></div></div></div>
<a name="fusion.adapted.adapt_struct.description"></a><h5>
<a name="id958443"></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="id958465"></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="id958549"></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="id959705"></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="id959821"></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="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="id960619"></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="id960641"></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="id960829"></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="id960989"></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="id961105"></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="id967911"></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="id968070"></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="id968417"></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="id968532"></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="id969300"></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="id959996"></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="id960017"></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="id960143"></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="id960266"></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="id960381"></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="id954043"></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="id954151"></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="id954176"></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>
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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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>.
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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 class="link" href="boost__array.html#fusion.adapted.boost__array.model_of">Model of</a>
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<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="id957980"></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>
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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>
<a name="fusion.adapted.boost__tuple.model_of"></a><h5>
<a name="id958158"></a>
<a class="link" href="boost__tuple.html#fusion.adapted.boost__tuple.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></li></ul></div>
<a name="fusion.adapted.boost__tuple.example"></a><h5>
<a name="id958183"></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="id958410"></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>)
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<a name="fusion.adapted.define_assoc_struct"></a><a class="link" href="define_assoc_struct.html" title="BOOST_FUSION_DEFINE_ASSOC_STRUCT"> BOOST_FUSION_DEFINE_ASSOC_STRUCT</a>
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<a name="fusion.adapted.define_assoc_struct.description"></a><h5>
<a name="id978131"></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="id978157"></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="id978361"></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="id978785"></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="id978900"></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="id979085"></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="id979111"></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="id979363"></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="id979811"></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="id979926"></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="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="id974212"></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="id974399"></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="id974804"></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="id974920"></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>
<hr>
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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="id975028"></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="id975049"></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="id975282"></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="id975709"></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="id978010"></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="id956755"></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="id956863"></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="id956922"></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="id957342"></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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<div class="titlepage"><div><div><h3 class="title">
<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="id954646"></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="id954754"></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="id954779"></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="id956669"></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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<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>
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<a name="fusion.algorithm.lazy_evaluation"></a><h4>
<a name="id980125"></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="id980362"></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="id980470"></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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<p>
The iteration algorithms provide the fundamental algorithms for traversing
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<a name="id980584"></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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<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="functions/fold.html">fold</a></span></dt>
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<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>
</h5></div></div></div>
<p>
<a name="fusion.algorithm.iteration.functions.accumulate.description"></a>
</p>
<h6>
<a name="id988080"></a>
<a class="link" href="accumulate.html#fusion.algorithm.iteration.functions.accumulate.description">Description</a>
</h6>
<p>
</p>
<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>
<p>
<a name="fusion.algorithm.iteration.functions.accumulate.synopsis"></a>
</p>
<h6>
<a name="id988159"></a>
<a class="link" href="accumulate.html#fusion.algorithm.iteration.functions.accumulate.synopsis">Synopsis</a>
</h6>
<p>
</p>
<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>
<p>
</p>
<div class="table">
<a name="id988510"></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>
<p><br class="table-break">
<a name="fusion.algorithm.iteration.functions.accumulate.expression_semantics"></a>
</p>
<h6>
<a name="id988772"></a>
<a class="link" href="accumulate.html#fusion.algorithm.iteration.functions.accumulate.expression_semantics">Expression
Semantics</a>
</h6>
<p>
</p>
<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>
</p>
<p>
<span class="bold"><strong>Return type</strong></span>: Any type
</p>
<p>
</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>
<p>
<a name="fusion.algorithm.iteration.functions.accumulate.complexity"></a>
</p>
<h6>
<a name="id988855"></a>
<a class="link" href="accumulate.html#fusion.algorithm.iteration.functions.accumulate.complexity">Complexity</a>
</h6>
<p>
</p>
<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>
<p>
<a name="fusion.algorithm.iteration.functions.accumulate.header"></a>
</p>
<h6>
<a name="id988915"></a>
<a class="link" href="accumulate.html#fusion.algorithm.iteration.functions.accumulate.header">Header</a>
</h6>
<p>
</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">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>
<p>
<a name="fusion.algorithm.iteration.functions.accumulate.example"></a>
</p>
<h6>
<a name="id989025"></a>
<a class="link" href="accumulate.html#fusion.algorithm.iteration.functions.accumulate.example">Example</a>
</h6>
<p>
</p>
<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>
<p>
</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="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.iteration.functions.fold"></a><a class="link" href="fold.html" title="fold">fold</a>
</h5></div></div></div>
<p>
<a name="fusion.algorithm.iteration.functions.fold.description"></a>
</p>
<h6>
<a name="id980714"></a>
<a class="link" href="fold.html#fusion.algorithm.iteration.functions.fold.description">Description</a>
</h6>
<p>
</p>
<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>
<p>
<a name="fusion.algorithm.iteration.functions.fold.synopsis"></a>
</p>
<h6>
<a name="id980788"></a>
<a class="link" href="fold.html#fusion.algorithm.iteration.functions.fold.synopsis">Synopsis</a>
</h6>
<p>
</p>
<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>
<p>
</p>
<div class="table">
<a name="id981137"></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>
<p><br class="table-break">
<a name="fusion.algorithm.iteration.functions.fold.expression_semantics"></a>
</p>
<h6>
<a name="id981401"></a>
<a class="link" href="fold.html#fusion.algorithm.iteration.functions.fold.expression_semantics">Expression
Semantics</a>
</h6>
<p>
</p>
<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>
</p>
<p>
<span class="bold"><strong>Return type</strong></span>: Any type
</p>
<p>
</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>
<p>
<a name="fusion.algorithm.iteration.functions.fold.complexity"></a>
</p>
<h6>
<a name="id981484"></a>
<a class="link" href="fold.html#fusion.algorithm.iteration.functions.fold.complexity">Complexity</a>
</h6>
<p>
</p>
<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>
<p>
<a name="fusion.algorithm.iteration.functions.fold.header"></a>
</p>
<h6>
<a name="id981542"></a>
<a class="link" href="fold.html#fusion.algorithm.iteration.functions.fold.header">Header</a>
</h6>
<p>
</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">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>
<p>
<a name="fusion.algorithm.iteration.functions.fold.example"></a>
</p>
<h6>
<a name="id981652"></a>
<a class="link" href="fold.html#fusion.algorithm.iteration.functions.fold.example">Example</a>
</h6>
<p>
</p>
<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>
<p>
</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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<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="id989375"></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="id989394"></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="id989526"></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="id989682"></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="id989787"></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="id989847"></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="id989962"></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>
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<div class="section">
<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>
<p>
<a name="fusion.algorithm.iteration.functions.iter_fold.description"></a>
</p>
<h6>
<a name="id983315"></a>
<a class="link" href="iter_fold.html#fusion.algorithm.iteration.functions.iter_fold.description">Description</a>
</h6>
<p>
</p>
<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>
<p>
<a name="fusion.algorithm.iteration.functions.iter_fold.synopsis"></a>
</p>
<h6>
<a name="id983391"></a>
<a class="link" href="iter_fold.html#fusion.algorithm.iteration.functions.iter_fold.synopsis">Synopsis</a>
</h6>
<p>
</p>
<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>
<p>
</p>
<div class="table">
<a name="id983740"></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>
<p><br class="table-break">
<a name="fusion.algorithm.iteration.functions.iter_fold.expression_semantics"></a>
</p>
<h6>
<a name="id984002"></a>
<a class="link" href="iter_fold.html#fusion.algorithm.iteration.functions.iter_fold.expression_semantics">Expression
Semantics</a>
</h6>
<p>
</p>
<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>
</p>
<p>
<span class="bold"><strong>Return type</strong></span>: Any type
</p>
<p>
</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>
<p>
<a name="fusion.algorithm.iteration.functions.iter_fold.complexity"></a>
</p>
<h6>
<a name="id984086"></a>
<a class="link" href="iter_fold.html#fusion.algorithm.iteration.functions.iter_fold.complexity">Complexity</a>
</h6>
<p>
</p>
<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>
<p>
<a name="fusion.algorithm.iteration.functions.iter_fold.header"></a>
</p>
<h6>
<a name="id984146"></a>
<a class="link" href="iter_fold.html#fusion.algorithm.iteration.functions.iter_fold.header">Header</a>
</h6>
<p>
</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">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>
<p>
<a name="fusion.algorithm.iteration.functions.iter_fold.example"></a>
</p>
<h6>
<a name="id984256"></a>
<a class="link" href="iter_fold.html#fusion.algorithm.iteration.functions.iter_fold.example">Example</a>
</h6>
<p>
</p>
<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>
<p>
</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="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>
<p>
<a name="fusion.algorithm.iteration.functions.reverse_fold.description"></a>
</p>
<h6>
<a name="id982004"></a>
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.functions.reverse_fold.description">Description</a>
</h6>
<p>
</p>
<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>
<p>
<a name="fusion.algorithm.iteration.functions.reverse_fold.synopsis"></a>
</p>
<h6>
<a name="id982083"></a>
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.functions.reverse_fold.synopsis">Synopsis</a>
</h6>
<p>
</p>
<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>
<p>
</p>
<div class="table">
<a name="id982434"></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>
<p><br class="table-break">
<a name="fusion.algorithm.iteration.functions.reverse_fold.expression_semantics"></a>
</p>
<h6>
<a name="id982701"></a>
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.functions.reverse_fold.expression_semantics">Expression
Semantics</a>
</h6>
<p>
</p>
<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>
</p>
<p>
<span class="bold"><strong>Return type</strong></span>: Any type
</p>
<p>
</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>
<p>
<a name="fusion.algorithm.iteration.functions.reverse_fold.complexity"></a>
</p>
<h6>
<a name="id982784"></a>
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.functions.reverse_fold.complexity">Complexity</a>
</h6>
<p>
</p>
<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>
<p>
<a name="fusion.algorithm.iteration.functions.reverse_fold.header"></a>
</p>
<h6>
<a name="id982846"></a>
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.functions.reverse_fold.header">Header</a>
</h6>
<p>
</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">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>
<p>
<a name="fusion.algorithm.iteration.functions.reverse_fold.example"></a>
</p>
<h6>
<a name="id982961"></a>
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.functions.reverse_fold.example">Example</a>
</h6>
<p>
</p>
<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>
<p>
</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="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>
<p>
<a name="fusion.algorithm.iteration.functions.reverse_iter_fold.description"></a>
</p>
<h6>
<a name="id984614"></a>
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.functions.reverse_iter_fold.description">Description</a>
</h6>
<p>
</p>
<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>
<p>
<a name="fusion.algorithm.iteration.functions.reverse_iter_fold.synopsis"></a>
</p>
<h6>
<a name="id984689"></a>
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.functions.reverse_iter_fold.synopsis">Synopsis</a>
</h6>
<p>
</p>
<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>
<p>
</p>
<div class="table">
<a name="id987199"></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>
<p><br class="table-break">
<a name="fusion.algorithm.iteration.functions.reverse_iter_fold.expression_semantics"></a>
</p>
<h6>
<a name="id987460"></a>
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.functions.reverse_iter_fold.expression_semantics">Expression
Semantics</a>
</h6>
<p>
</p>
<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>
</p>
<p>
<span class="bold"><strong>Return type</strong></span>: Any type
</p>
<p>
</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>
<p>
<a name="fusion.algorithm.iteration.functions.reverse_iter_fold.complexity"></a>
</p>
<h6>
<a name="id987542"></a>
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.functions.reverse_iter_fold.complexity">Complexity</a>
</h6>
<p>
</p>
<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>
<p>
<a name="fusion.algorithm.iteration.functions.reverse_iter_fold.header"></a>
</p>
<h6>
<a name="id987602"></a>
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.functions.reverse_iter_fold.header">Header</a>
</h6>
<p>
</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">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>
<p>
<a name="fusion.algorithm.iteration.functions.reverse_iter_fold.example"></a>
</p>
<h6>
<a name="id987717"></a>
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.functions.reverse_iter_fold.example">Example</a>
</h6>
<p>
</p>
<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>
<p>
</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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<dt><span class="section"><a href="metafunctions/fold.html">fold</a></span></dt>
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<dt><span class="section"><a href="metafunctions/iter_fold.html">iter_fold</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>
<p>
<a name="fusion.algorithm.iteration.metafunctions.accumulate.description"></a>
</p>
<h6>
<a name="id994579"></a>
<a class="link" href="accumulate.html#fusion.algorithm.iteration.metafunctions.accumulate.description">Description</a>
</h6>
<p>
</p>
<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>
<p>
<a name="fusion.algorithm.iteration.metafunctions.accumulate.synopsis"></a>
</p>
<h6>
<a name="id994610"></a>
<a class="link" href="accumulate.html#fusion.algorithm.iteration.metafunctions.accumulate.synopsis">Synopsis</a>
</h6>
<p>
</p>
<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>
<p>
</p>
<div class="table">
<a name="id994705"></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>
<p><br class="table-break">
<a name="fusion.algorithm.iteration.metafunctions.accumulate.expression_semantics"></a>
</p>
<h6>
<a name="id994973"></a>
<a class="link" href="accumulate.html#fusion.algorithm.iteration.metafunctions.accumulate.expression_semantics">Expression
Semantics</a>
</h6>
<p>
</p>
<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>
</p>
<p>
<span class="bold"><strong>Return type</strong></span>: Any type
</p>
<p>
</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>
<p>
<a name="fusion.algorithm.iteration.metafunctions.accumulate.complexity"></a>
</p>
<h6>
<a name="id995074"></a>
<a class="link" href="accumulate.html#fusion.algorithm.iteration.metafunctions.accumulate.complexity">Complexity</a>
</h6>
<p>
</p>
<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>
<p>
<a name="fusion.algorithm.iteration.metafunctions.accumulate.header"></a>
</p>
<h6>
<a name="id995136"></a>
<a class="link" href="accumulate.html#fusion.algorithm.iteration.metafunctions.accumulate.header">Header</a>
</h6>
<p>
</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">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>
<p>
</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="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>
<p>
<a name="fusion.algorithm.iteration.metafunctions.fold.description"></a>
</p>
<h6>
<a name="id990228"></a>
<a class="link" href="fold.html#fusion.algorithm.iteration.metafunctions.fold.description">Description</a>
</h6>
<p>
</p>
<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>
<p>
<a name="fusion.algorithm.iteration.metafunctions.fold.synopsis"></a>
</p>
<h6>
<a name="id990257"></a>
<a class="link" href="fold.html#fusion.algorithm.iteration.metafunctions.fold.synopsis">Synopsis</a>
</h6>
<p>
</p>
<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>
<p>
</p>
<div class="table">
<a name="id990349"></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>
<p><br class="table-break">
<a name="fusion.algorithm.iteration.metafunctions.fold.expression_semantics"></a>
</p>
<h6>
<a name="id990617"></a>
<a class="link" href="fold.html#fusion.algorithm.iteration.metafunctions.fold.expression_semantics">Expression
Semantics</a>
</h6>
<p>
</p>
<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>
</p>
<p>
<span class="bold"><strong>Return type</strong></span>: Any type
</p>
<p>
</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>
<p>
<a name="fusion.algorithm.iteration.metafunctions.fold.complexity"></a>
</p>
<h6>
<a name="id990718"></a>
<a class="link" href="fold.html#fusion.algorithm.iteration.metafunctions.fold.complexity">Complexity</a>
</h6>
<p>
</p>
<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>
<p>
<a name="fusion.algorithm.iteration.metafunctions.fold.header"></a>
</p>
<h6>
<a name="id990778"></a>
<a class="link" href="fold.html#fusion.algorithm.iteration.metafunctions.fold.header">Header</a>
</h6>
<p>
</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">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>
<p>
</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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<html>
<head>
<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 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="id995294"></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="id995312"></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="id995400"></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="id995519"></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="id995633"></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="id995655"></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>
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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>
<p>
<a name="fusion.algorithm.iteration.metafunctions.iter_fold.description"></a>
</p>
<h6>
<a name="id993221"></a>
<a class="link" href="iter_fold.html#fusion.algorithm.iteration.metafunctions.iter_fold.description">Description</a>
</h6>
<p>
</p>
<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>
<p>
<a name="fusion.algorithm.iteration.metafunctions.iter_fold.synopsis"></a>
</p>
<h6>
<a name="id993252"></a>
<a class="link" href="iter_fold.html#fusion.algorithm.iteration.metafunctions.iter_fold.synopsis">Synopsis</a>
</h6>
<p>
</p>
<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>
<p>
</p>
<div class="table">
<a name="id993347"></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>
<p><br class="table-break">
<a name="fusion.algorithm.iteration.metafunctions.iter_fold.expression_semantics"></a>
</p>
<h6>
<a name="id993614"></a>
<a class="link" href="iter_fold.html#fusion.algorithm.iteration.metafunctions.iter_fold.expression_semantics">Expression
Semantics</a>
</h6>
<p>
</p>
<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>
</p>
<p>
<span class="bold"><strong>Return type</strong></span>: Any type
</p>
<p>
</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>
<p>
<a name="fusion.algorithm.iteration.metafunctions.iter_fold.complexity"></a>
</p>
<h6>
<a name="id993715"></a>
<a class="link" href="iter_fold.html#fusion.algorithm.iteration.metafunctions.iter_fold.complexity">Complexity</a>
</h6>
<p>
</p>
<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>
<p>
<a name="fusion.algorithm.iteration.metafunctions.iter_fold.header"></a>
</p>
<h6>
<a name="id993778"></a>
<a class="link" href="iter_fold.html#fusion.algorithm.iteration.metafunctions.iter_fold.header">Header</a>
</h6>
<p>
</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">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>
<p>
</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="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>
<p>
<a name="fusion.algorithm.iteration.metafunctions.reverse_fold.description"></a>
</p>
<h6>
<a name="id990903"></a>
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.metafunctions.reverse_fold.description">Description</a>
</h6>
<p>
</p>
<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>
<p>
<a name="fusion.algorithm.iteration.metafunctions.reverse_fold.synopsis"></a>
</p>
<h6>
<a name="id990931"></a>
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.metafunctions.reverse_fold.synopsis">Synopsis</a>
</h6>
<p>
</p>
<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>
<p>
</p>
<div class="table">
<a name="id991026"></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>
<p><br class="table-break">
<a name="fusion.algorithm.iteration.metafunctions.reverse_fold.expression_semantics"></a>
</p>
<h6>
<a name="id992933"></a>
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.metafunctions.reverse_fold.expression_semantics">Expression
Semantics</a>
</h6>
<p>
</p>
<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>
</p>
<p>
<span class="bold"><strong>Return type</strong></span>: Any type
</p>
<p>
</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>
<p>
<a name="fusion.algorithm.iteration.metafunctions.reverse_fold.complexity"></a>
</p>
<h6>
<a name="id993031"></a>
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.metafunctions.reverse_fold.complexity">Complexity</a>
</h6>
<p>
</p>
<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>
<p>
<a name="fusion.algorithm.iteration.metafunctions.reverse_fold.header"></a>
</p>
<h6>
<a name="id993091"></a>
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.metafunctions.reverse_fold.header">Header</a>
</h6>
<p>
</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">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>
<p>
</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><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>
<p>
<a name="fusion.algorithm.iteration.metafunctions.reverse_iter_fold.description"></a>
</p>
<h6>
<a name="id993910"></a>
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.metafunctions.reverse_iter_fold.description">Description</a>
</h6>
<p>
</p>
<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>
<p>
<a name="fusion.algorithm.iteration.metafunctions.reverse_iter_fold.synopsis"></a>
</p>
<h6>
<a name="id993936"></a>
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.metafunctions.reverse_iter_fold.synopsis">Synopsis</a>
</h6>
<p>
</p>
<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>
<p>
</p>
<div class="table">
<a name="id994028"></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>
<p><br class="table-break">
<a name="fusion.algorithm.iteration.metafunctions.reverse_iter_fold.expression_semantics"></a>
</p>
<h6>
<a name="id994296"></a>
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.metafunctions.reverse_iter_fold.expression_semantics">Expression
Semantics</a>
</h6>
<p>
</p>
<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>
</p>
<p>
<span class="bold"><strong>Return type</strong></span>: Any type
</p>
<p>
</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>
<p>
<a name="fusion.algorithm.iteration.metafunctions.reverse_iter_fold.complexity"></a>
</p>
<h6>
<a name="id994394"></a>
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.metafunctions.reverse_iter_fold.complexity">Complexity</a>
</h6>
<p>
</p>
<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>
<p>
<a name="fusion.algorithm.iteration.metafunctions.reverse_iter_fold.header"></a>
</p>
<h6>
<a name="id994452"></a>
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.metafunctions.reverse_iter_fold.header">Header</a>
</h6>
<p>
</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">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>
<p>
</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="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="id995789"></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>
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<div class="titlepage"><div><div><h4 class="title">
<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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<head>
<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="id996788"></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="id996840"></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="id996976"></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="id997138"></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="id998342"></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="id998393"></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="id998508"></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>
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</div>
<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="id995916"></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="id995969"></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="id996105"></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="id996266"></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="id996377"></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="id996428"></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="id996543"></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>
</tr></table>
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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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<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 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="id1001751"></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="id1001768"></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="id1001913"></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="id1002074"></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="id1002168"></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="id1002218"></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="id1002333"></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>
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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="id1002478"></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="id1002502"></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="id1002639"></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="id1002801"></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="id1002895"></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="id1002945"></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="id1003060"></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 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="id999655"></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="id999672"></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="id999817"></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="id999938"></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="id1000106"></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="id1000157"></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="id1000272"></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="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="id1000493"></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="id1000506"></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="id1001198"></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="id1001324"></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="id1001458"></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="id1001522"></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>
</div></td>
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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="id998753"></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="id998806"></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="id998941"></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="id999103"></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="id999245"></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="id999295"></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="id999410"></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>)
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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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="id1005630"></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="id1005658"></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="id1005744"></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="id1005870"></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="id1005989"></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="id1006006"></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>
</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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<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.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="id1003216"></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="id1003244"></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="id1005242"></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="id1005368"></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="id1005487"></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="id1005504"></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="id1008816"></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="id1008842"></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="id1008928"></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="id1009051"></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="id1009142"></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="id1009159"></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>
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<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="id1009287"></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="id1009316"></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="id1009402"></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="id1009521"></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="id1009621"></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="id1009640"></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>
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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 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="id1006633"></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="id1006661"></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="id1006746"></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="id1006867"></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="id1006999"></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="id1007050"></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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</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="id1007178"></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="id1007208"></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="id1007293"></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="id1008510"></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="id1008639"></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="id1008690"></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>
<hr>
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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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<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="id1006132"></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="id1006159"></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="id1006246"></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="id1006372"></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="id1006490"></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="id1006507"></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>)
</p>
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<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
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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.
</p></td></tr>
</table></div>
<a name="fusion.algorithm.transformation.header"></a><h5>
<a name="id1009779"></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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<a name="fusion.algorithm.transformation.functions"></a><a class="link" href="functions.html" title="Functions">Functions</a>
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<dt><span class="section"><a href="functions/filter.html">filter</a></span></dt>
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<dt><span class="section"><a href="functions/remove.html">remove</a></span></dt>
<dt><span class="section"><a href="functions/remove_if.html">remove_if</a></span></dt>
<dt><span class="section"><a href="functions/reverse.html">reverse</a></span></dt>
<dt><span class="section"><a href="functions/clear.html">clear</a></span></dt>
<dt><span class="section"><a href="functions/erase.html">erase</a></span></dt>
<dt><span class="section"><a href="functions/erase_key.html">erase_key</a></span></dt>
<dt><span class="section"><a href="functions/insert.html">insert</a></span></dt>
<dt><span class="section"><a href="functions/insert_range.html">insert_range</a></span></dt>
<dt><span class="section"><a href="functions/join.html">join</a></span></dt>
<dt><span class="section"><a href="functions/zip.html">zip</a></span></dt>
<dt><span class="section"><a href="functions/pop_back.html">pop_back</a></span></dt>
<dt><span class="section"><a href="functions/pop_front.html">pop_front</a></span></dt>
<dt><span class="section"><a href="functions/push_back.html">push_back</a></span></dt>
<dt><span class="section"><a href="functions/push_front.html">push_front</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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<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="id1018590"></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="id1018621"></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="id1018729"></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="id1018815"></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="id1018878"></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="id1018897"></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="id1019012"></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>)
</p>
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<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.functions.erase"></a><a class="link" href="erase.html" title="erase">erase</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.functions.erase.description"></a><h6>
<a name="id1021163"></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="id1021184"></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="id1021517"></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="id1021699"></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="id1021924"></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="id1021943"></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="id1022058"></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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<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="id1022362"></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="id1022410"></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="id1022539"></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="id1022664"></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="id1022752"></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="id1022773"></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="id1022893"></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>
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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.transformation.functions.filter"></a><a class="link" href="filter.html" title="filter">filter</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.functions.filter.description"></a><h6>
<a name="id1009909"></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="id1009930"></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="id1010060"></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="id1010180"></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="id1010348"></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="id1010367"></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="id1010485"></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="id1010669"></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="id1010726"></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="id1010856"></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="id1010980"></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="id1011112"></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="id1011133"></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="id1011253"></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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<div class="section">
<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="id1023029"></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="id1023050"></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="id1023246"></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="id1023404"></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="id1023510"></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="id1023530"></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="id1023647"></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>
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<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="id1023840"></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="id1023860"></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="id1024058"></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="id1024220"></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="id1024344"></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="id1024364"></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="id1024484"></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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<a accesskey="p" href="insert.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="join.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a>
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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="id1024706"></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="id1024725"></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="id1024868"></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="id1024991"></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="id1025110"></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="id1025129"></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="id1025244"></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>
</div></td>
</tr></table>
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<a accesskey="p" href="insert_range.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="zip.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a>
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</div>
<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="id1026366"></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="id1026387"></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="id1026495"></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="id1026582"></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="id1026685"></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="id1026707"></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="id1026827"></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>
</tr></table>
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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="id1026941"></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="id1026962"></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="id1027070"></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="id1027157"></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="id1027260"></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="id1027281"></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="id1027401"></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="id1027520"></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="id1027542"></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="id1028850"></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="id1028969"></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="id1029068"></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="id1029089"></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="id1029209"></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 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="id1029347"></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="id1029366"></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="id1029516"></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="id1029635"></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="id1029734"></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="id1029755"></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="id1029875"></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>
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<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="id1015658"></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="id1015680"></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="id1015809"></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="id1015929"></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="id1016917"></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="id1016936"></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="id1017054"></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>
</div></td>
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</div>
<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="id1017201"></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="id1017230"></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="id1017360"></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="id1017485"></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="id1017673"></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="id1017695"></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="id1017815"></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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<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 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="id1014001"></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="id1014022"></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="id1014196"></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="id1014397"></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="id1014498"></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="id1014519"></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="id1014639"></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>)
</p>
</div></td>
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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="id1014765"></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="id1014792"></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="id1014980"></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="id1015173"></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="id1015281"></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="id1015303"></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="id1015423"></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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<div class="spirit-nav">
<a accesskey="p" href="replace.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="remove.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.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="id1017981"></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="id1018003"></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="id1018111"></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="id1018197"></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="id1018322"></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="id1018344"></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="id1018464"></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>
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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="id1011456"></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="id1011529"></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="id1011671"></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="id1011878"></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="id1011978"></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="id1012168"></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="id1012528"></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="id1012549"></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="id1012669"></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>
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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="id1025460"></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="id1025480"></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="id1025682"></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="id1025775"></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="id1025989"></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="id1026008"></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="id1026123"></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>
<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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<dt><span class="section"><a href="metafunctions/filter.html">filter</a></span></dt>
<dt><span class="section"><a href="metafunctions/filter_if.html">filter_if</a></span></dt>
<dt><span class="section"><a href="metafunctions/transform.html">transform</a></span></dt>
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<dt><span class="section"><a href="metafunctions/clear.html">clear</a></span></dt>
<dt><span class="section"><a href="metafunctions/erase.html">erase</a></span></dt>
<dt><span class="section"><a href="metafunctions/erase_key.html">erase_key</a></span></dt>
<dt><span class="section"><a href="metafunctions/insert.html">insert</a></span></dt>
<dt><span class="section"><a href="metafunctions/insert_range.html">insert_range</a></span></dt>
<dt><span class="section"><a href="metafunctions/join.html">join</a></span></dt>
<dt><span class="section"><a href="metafunctions/zip.html">zip</a></span></dt>
<dt><span class="section"><a href="metafunctions/pop_back.html">pop_back</a></span></dt>
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<dt><span class="section"><a href="metafunctions/push_back.html">push_back</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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<html>
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<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<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="id1037825"></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="id1037856"></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="id1037930"></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="id1038013"></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="id1038085"></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="id1038106"></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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<div class="section">
<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="id1038250"></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="id1038268"></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="id1038376"></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="id1038537"></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="id1038742"></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="id1038764"></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>
<hr>
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<a accesskey="p" href="clear.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="erase_key.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.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="id1038892"></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="id1038920"></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="id1039005"></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="id1039129"></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="id1039226"></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="id1039245"></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>
<hr>
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<a accesskey="p" href="erase.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="insert.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>filter</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.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="id1030024"></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="id1030053"></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="id1030140"></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="id1030260"></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="id1030461"></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="id1030482"></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="id1030611"></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="id1030642"></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="id1030727"></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="id1030852"></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="id1030995"></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="id1031014"></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>
</div></td>
</tr></table>
<hr>
<div class="spirit-nav">
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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 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="id1039373"></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="id1039402"></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="id1039503"></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="id1039659"></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="id1039778"></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="id1039799"></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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<div class="spirit-nav">
<a accesskey="p" href="erase_key.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="insert_range.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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<td align="center"><a href="../../../../../../../../libs/libraries.htm">Libraries</a></td>
<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td>
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<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="id1039933"></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="id1039959"></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="id1040057"></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="id1040287"></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="id1040425"></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="id1040442"></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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<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="id1040570"></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="id1040592"></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="id1040683"></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="id1040814"></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="id1040835"></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>
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<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="id1041467"></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="id1041495"></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="id1041570"></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="id1041656"></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="id1041762"></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="id1041781"></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>
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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="id1041909"></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="id1041936"></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="id1042008"></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="id1042094"></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="id1042200"></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="id1042219"></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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<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="id1042347"></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="id1042374"></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="id1044234"></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="id1044353"></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="id1044453"></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="id1044472"></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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</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="id1044605"></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="id1044632"></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="id1044717"></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="id1044836"></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="id1044938"></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="id1044957"></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>
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<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
<title>remove</title>
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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.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="id1036210"></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="id1036240"></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="id1036327"></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="id1036446"></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="id1036649"></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="id1036670"></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>
</tr></table>
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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="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="id1036799"></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="id1036830"></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="id1036915"></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="id1037062"></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="id1037204"></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="id1037224"></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>
<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.metafunctions.replace"></a><a class="link" href="replace.html" title="replace">replace</a>
</h5></div></div></div>
<a name="fusion.algorithm.transformation.metafunctions.replace.description"></a><h6>
<a name="id1033432"></a>
<a class="link" href="replace.html#fusion.algorithm.transformation.metafunctions.replace.description">Description</a>
</h6>
<p>
Returns the result type of <a class="link" href="../functions/replace.html" title="replace"><code class="computeroutput"><span class="identifier">replace</span></code></a>, given the types of
the input sequence and element to replace.
</p>
<a name="fusion.algorithm.transformation.metafunctions.replace.synopsis"></a><h6>
<a name="id1033461"></a>
<a class="link" href="replace.html#fusion.algorithm.transformation.metafunctions.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">struct</span> <span class="identifier">replace</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="id1033549"></a><p class="title"><b>Table&#160;1.87.&#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>
The type of the search and replacement objects
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.metafunctions.replace.expression_semantics"></a><h6>
<a name="id1033667"></a>
<a class="link" href="replace.html#fusion.algorithm.transformation.metafunctions.replace.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="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="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 <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 the return type of
<a class="link" href="../functions/replace.html" title="replace"><code class="computeroutput"><span class="identifier">replace</span></code></a>.
</p>
<a name="fusion.algorithm.transformation.metafunctions.replace.complexity"></a><h6>
<a name="id1033754"></a>
<a class="link" href="replace.html#fusion.algorithm.transformation.metafunctions.replace.complexity">Complexity</a>
</h6>
<p>
Constant.
</p>
<a name="fusion.algorithm.transformation.metafunctions.replace.header"></a><h6>
<a name="id1033773"></a>
<a class="link" href="replace.html#fusion.algorithm.transformation.metafunctions.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>
</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="transform.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="replace_if.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a>
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<html>
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<div class="section">
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithm.transformation.metafunctions.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.metafunctions.replace_if.description"></a><h6>
<a name="id1033906"></a>
<a class="link" href="replace_if.html#fusion.algorithm.transformation.metafunctions.replace_if.description">Description</a>
</h6>
<p>
Returns the result type of <a class="link" href="../functions/replace_if.html" title="replace_if"><code class="computeroutput"><span class="identifier">replace_if</span></code></a>, given the types
of the sequence, <a class="link" href="../../../functional/concepts/poly.html" title="Polymorphic Function Object">Polymorphic
Function Object</a> predicate and replacement object.
</p>
<a name="fusion.algorithm.transformation.metafunctions.replace_if.synopsis"></a><h6>
<a name="id1033937"></a>
<a class="link" href="replace_if.html#fusion.algorithm.transformation.metafunctions.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">struct</span> <span class="identifier">replace_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="id1034035"></a><p class="title"><b>Table&#160;1.88.&#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>
Replacement predicate
</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 of the replacement object
</p>
</td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.metafunctions.replace_if.expression_semantics"></a><h6>
<a name="id1035966"></a>
<a class="link" href="replace_if.html#fusion.algorithm.transformation.metafunctions.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">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">F</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 <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 the return type of
<a class="link" href="../functions/replace_if.html" title="replace_if"><code class="computeroutput"><span class="identifier">replace_if</span></code></a>.
</p>
<a name="fusion.algorithm.transformation.metafunctions.replace_if.complexity"></a><h6>
<a name="id1036062"></a>
<a class="link" href="replace_if.html#fusion.algorithm.transformation.metafunctions.replace_if.complexity">Complexity</a>
</h6>
<p>
Constant.
</p>
<a name="fusion.algorithm.transformation.metafunctions.replace_if.header"></a><h6>
<a name="id1036081"></a>
<a class="link" href="replace_if.html#fusion.algorithm.transformation.metafunctions.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>
</div>
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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.transformation.metafunctions.reverse"></a><a class="link" href="reverse.html" title="reverse">reverse</a>
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<a name="fusion.algorithm.transformation.metafunctions.reverse.description"></a><h6>
<a name="id1037352"></a>
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<p>
Returns the result type of <a class="link" href="../functions/reverse.html" title="reverse"><code class="computeroutput"><span class="identifier">reverse</span></code></a>, given the input sequence
type.
</p>
<a name="fusion.algorithm.transformation.metafunctions.reverse.synopsis"></a><h6>
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</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">reverse</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="id1037455"></a><p class="title"><b>Table&#160;1.91.&#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>
Operation's argument
</p>
</td>
</tr></tbody>
</table></div>
</div>
<br class="table-break"><a name="fusion.algorithm.transformation.metafunctions.reverse.expression_semantics"></a><h6>
<a name="id1037542"></a>
<a class="link" href="reverse.html#fusion.algorithm.transformation.metafunctions.reverse.expression_semantics">Expression
Semantics</a>
</h6>
<pre class="programlisting"><a class="link" href="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="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/bidirectional_sequence.html" title="Bidirectional Sequence">Bidirectional
Sequence</a> if <code class="computeroutput"><span class="identifier">Sequence</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">Sequence</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">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 in the reverse order to <code class="computeroutput"><span class="identifier">Sequence</span></code>.
</p>
<a name="fusion.algorithm.transformation.metafunctions.reverse.complexity"></a><h6>
<a name="id1037675"></a>
<a class="link" href="reverse.html#fusion.algorithm.transformation.metafunctions.reverse.complexity">Complexity</a>
</h6>
<p>
Constant.
</p>
<a name="fusion.algorithm.transformation.metafunctions.reverse.header"></a><h6>
<a name="id1037694"></a>
<a class="link" href="reverse.html#fusion.algorithm.transformation.metafunctions.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>
</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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