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#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: contains_impl.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
// $Date: 2008-10-10 23:19:02 -0700 (Fri, 10 Oct 2008) $
// $Revision: 49267 $
#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
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