Merge pull request #239 from denzor200/transform_view_ext

Transform view ext

doc/sequence.qbk

@@ -133,7 +133,6 @@ For any Forward Sequence s the following invariants always hold:
 * __transform_view__
 * __reverse_view__
 * __zip_view__
-* __identity_view__
 
 [endsect]
 
@@ -202,7 +201,6 @@ are not defined in __forward_sequence__.
 * __iterator_range__ (where adapted sequence is a Bidirectional Sequence)
 * __transform_view__ (where adapted sequence is a Bidirectional Sequence)
 * __zip_view__       (where adapted sequences are models of Bidirectional Sequence)
-* __identity_view__  (where adapted sequence is a Bidirectional Sequence)
 
 [endsect]
 
@@ -291,7 +289,6 @@ are not defined in __bidirectional_sequence__.
 * __iterator_range__ (where adapted sequence is a Random Access Sequence)
 * __transform_view__ (where adapted sequence is a Random Access Sequence)
 * __zip_view__       (where adapted sequences are models of Random Access Sequence)
-* __identity_view__  (where adapted sequence is a Random Access Sequence)
 
 [endsect]
 
@@ -364,7 +361,6 @@ you can use `__result_of_value_at_key__<S, K>`.]
 * __joint_view__     (where adapted sequences are __associative_sequence__\ s and __forward_sequence__\ s)
 * __reverse_view__   (where adapted sequence is an __associative_sequence__ and a __bidirectional_sequence__)
 * __transform_view__ (where adapted sequence is an __associative_sequence__ and a __forward_sequence__)
-* __identity_view__  (where adapted sequence is an __associative_sequence__ and a __forward_sequence__)
 
 [endsect]
 

doc/view.qbk

@@ -363,6 +363,7 @@ given a binary function object or function pointer.
 * __forward_sequence__, __bidirectional_sequence__ or
 __random_access_sequence__ depending on the traversal characteristics (see
 __traversal_concept__) of its underlying sequence or sequences.
+* __associative_sequence__ if underlying sequence implements the __associative_sequence__ model(available only with unary version of `transform_view`).
 
 [variablelist Notation
     [[`TV`]             [A `transform_view` type]]

include/boost/fusion/view/transform_view/detail/deref_data_impl.hpp

@@ -10,11 +10,6 @@
 #include <boost/fusion/support/config.hpp>
 #include <boost/fusion/iterator/deref.hpp>
 #include <boost/mpl/if.hpp>
-#include <boost/type_traits/add_const.hpp>
-#include <boost/type_traits/add_reference.hpp>
-#include <boost/type_traits/is_const.hpp>
-#include <boost/type_traits/is_reference.hpp>
-#include <boost/utility/result_of.hpp>
 
 namespace boost { namespace fusion
 {

include/boost/fusion/view/transform_view/transform_view_iterator.hpp

@@ -23,11 +23,6 @@
 #include <boost/fusion/view/transform_view/detail/value_of_data_impl.hpp>
 #include <boost/fusion/view/transform_view/detail/deref_data_impl.hpp>
 
-#ifdef _MSC_VER
-#  pragma warning(push)
-#  pragma warning(disable: 4512) // assignment operator could not be generated.
-#endif
-
 namespace boost { namespace fusion
 {
     // Unary Version
@@ -49,6 +44,9 @@ namespace boost { namespace fusion
 
         first_type first;
         transform_type f;
+
+        // silence MSVC warning C4512: assignment operator could not be generated
+        BOOST_DELETED_FUNCTION(transform_view_iterator& operator= (transform_view_iterator const&))
     };
 
     // Binary Version
@@ -73,13 +71,12 @@ namespace boost { namespace fusion
         first1_type first1;
         first2_type first2;
         transform_type f;
+
+        // silence MSVC warning C4512: assignment operator could not be generated
+        BOOST_DELETED_FUNCTION(transform_view_iterator2& operator= (transform_view_iterator2 const&))
     };
 }}
 
-#ifdef _MSC_VER
-#  pragma warning(pop)
-#endif
-
 #ifdef BOOST_FUSION_WORKAROUND_FOR_LWG_2408
 namespace std
 {