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#ifndef BOOST_MPL_MAP_AUX_INSERT_IMPL_HPP_INCLUDED
#define BOOST_MPL_MAP_AUX_INSERT_IMPL_HPP_INCLUDED
// Copyright Aleksey Gurtovoy 2003-2004
// Copyright David Abrahams 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/insert_fwd.hpp>
#include <boost/mpl/next_prior.hpp>
#include <boost/mpl/map/aux_/contains_impl.hpp>
#include <boost/mpl/map/aux_/item.hpp>
#include <boost/mpl/map/aux_/tag.hpp>
#include <boost/mpl/aux_/na.hpp>
#include <boost/mpl/aux_/config/typeof.hpp>
namespace boost { namespace mpl {
namespace aux {
template< typename Map, typename Pair >
struct map_insert_impl
: if_<
contains_impl<aux::map_tag>::apply<Map,Pair>
, Map
#if defined(BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES)
, m_item<
typename Pair::first
, typename Pair::second
, Map
>
#else
, m_item<
Map::order::value
, typename Pair::first
, typename Pair::second
, Map
>
#endif
>
{
};
}
template<>
struct insert_impl< aux::map_tag >
{
template<
typename Map
, typename PosOrKey
, typename KeyOrNA
>
struct apply
: aux::map_insert_impl<
Map
, typename if_na<KeyOrNA,PosOrKey>::type
>
{
};
};
}}
#endif // BOOST_MPL_MAP_AUX_INSERT_IMPL_HPP_INCLUDED