1 /*============================================================================= 2 Copyright (c) 2001-2011 Joel de Guzman 3 Copyright (c) 2006 Dan Marsden 4 5 Distributed under the Boost Software License, Version 1.0. (See accompanying 6 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 7 ==============================================================================*/ 8 #if !defined(BOOST_FUSION_EQUAL_TO_IMPL_20060223_1941) 9 #define BOOST_FUSION_EQUAL_TO_IMPL_20060223_1941 10 11 #include <boost/mpl/equal_to.hpp> 12 13 namespace example 14 { 15 struct example_struct_iterator_tag; 16 } 17 18 namespace boost { namespace fusion { 19 20 namespace extension 21 { 22 template<typename Tag> 23 struct equal_to_impl; 24 25 template<> 26 struct equal_to_impl<example::example_struct_iterator_tag> 27 { 28 template<typename It1, typename It2> 29 struct apply 30 : mpl::equal_to< 31 typename It1::index, 32 typename It2::index> 33 {}; 34 }; 35 } 36 }} 37 38 #endif 39