transform_view/detail/equal_to_impl.hpp

0001 /*=============================================================================
0002     Copyright (c) 2001-2011 Joel de Guzman
0003
0004     Distributed under the Boost Software License, Version 1.0. (See accompanying
0005     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
0006 ==============================================================================*/
0007 #if !defined(BOOST_FUSION_TRANSFORM_VIEW_ITERATOR_20070127_0957)
0008 #define BOOST_FUSION_TRANSFORM_VIEW_ITERATOR_20070127_0957
0009
0010 #include <boost/fusion/support/config.hpp>
0011 #include <boost/fusion/iterator/equal_to.hpp>
0012
0013 namespace boost { namespace fusion {
0014
0015     struct transform_view_iterator_tag;
0016     struct transform_view_iterator2_tag;
0017
0018     namespace extension
0019     {
0020         template<typename Tag>
0021         struct equal_to_impl;
0022
0023         template<>
0024         struct equal_to_impl<transform_view_iterator_tag>
0025         {
0026             template<typename It1, typename It2>
0027             struct apply
0028                 : result_of::equal_to<typename It1::first_type, typename It2::first_type>
0029             {};
0030         };
0031
0032         template<>
0033         struct equal_to_impl<transform_view_iterator2_tag>
0034         {
0035             template<typename It1, typename It2>
0036             struct apply
0037                 : result_of::equal_to<typename It1::first1_type, typename It2::first1_type>
0038             {};
0039         };
0040     }
0041 }}
0042
0043 #endif