| 1 | |
|---|---|
| 2 | #ifndef BOOST_MPL_MAP_AUX_CONTAINS_IMPL_HPP_INCLUDED |
| 3 | #define BOOST_MPL_MAP_AUX_CONTAINS_IMPL_HPP_INCLUDED |
| 4 | |
| 5 | // Copyright Aleksey Gurtovoy 2003-2004 |
| 6 | // |
| 7 | // Distributed under the Boost Software License, Version 1.0. |
| 8 | // (See accompanying file LICENSE_1_0.txt or copy at |
| 9 | // http://www.boost.org/LICENSE_1_0.txt) |
| 10 | // |
| 11 | // See http://www.boost.org/libs/mpl for documentation. |
| 12 | |
| 13 | // $Id$ |
| 14 | // $Date$ |
| 15 | // $Revision$ |
| 16 | |
| 17 | #include <boost/mpl/contains_fwd.hpp> |
| 18 | #include <boost/mpl/if.hpp> |
| 19 | #include <boost/mpl/map/aux_/at_impl.hpp> |
| 20 | #include <boost/mpl/map/aux_/tag.hpp> |
| 21 | |
| 22 | #include <boost/type_traits/is_same.hpp> |
| 23 | |
| 24 | namespace boost { namespace mpl { |
| 25 | |
| 26 | template<> |
| 27 | struct contains_impl< aux::map_tag > |
| 28 | { |
| 29 | template< typename Map, typename Pair > struct apply |
| 30 | : is_same< |
| 31 | typename at_impl<aux::map_tag>::apply< |
| 32 | Map |
| 33 | , typename Pair::first |
| 34 | >::type |
| 35 | , typename Pair::second |
| 36 | > |
| 37 | { |
| 38 | }; |
| 39 | }; |
| 40 | |
| 41 | }} |
| 42 | |
| 43 | #endif // BOOST_MPL_MAP_AUX_CONTAINS_IMPL_HPP_INCLUDED |
| 44 |