| |
| #ifndef BOOST_MPL_MAP_AUX_CONTAINS_IMPL_HPP_INCLUDED |
| #define BOOST_MPL_MAP_AUX_CONTAINS_IMPL_HPP_INCLUDED |
| |
| // Copyright Aleksey Gurtovoy 2003-2004 |
| // |
| // Distributed under the Boost Software License, Version 1.0. |
| // (See accompanying file LICENSE_1_0.txt or copy at |
| // http://www.boost.org/LICENSE_1_0.txt) |
| // |
| // See http://www.boost.org/libs/mpl for documentation. |
| |
| // $Id$ |
| // $Date$ |
| // $Revision$ |
| |
| #include <boost/mpl/contains_fwd.hpp> |
| #include <boost/mpl/if.hpp> |
| #include <boost/mpl/map/aux_/at_impl.hpp> |
| #include <boost/mpl/map/aux_/tag.hpp> |
| |
| #include <boost/type_traits/is_same.hpp> |
| |
| namespace boost { namespace mpl { |
| |
| template<> |
| struct contains_impl< aux::map_tag > |
| { |
| template< typename Map, typename Pair > struct apply |
| : is_same< |
| typename at_impl<aux::map_tag>::apply< |
| Map |
| , typename Pair::first |
| >::type |
| , typename Pair::second |
| > |
| { |
| }; |
| }; |
| |
| }} |
| |
| #endif // BOOST_MPL_MAP_AUX_CONTAINS_IMPL_HPP_INCLUDED |
