/Src/Dependencies/Boost/boost/mpl/map/aux_/contains_impl.hpp

 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: contains_impl.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
14// $Date: 2008-10-11 17:19:02 +1100 (Sat, 11 Oct 2008) $
15// $Revision: 49267 $
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
24namespace boost { namespace mpl {
25
26template<>
27struct 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