boost/mpl/key_type.hpp
#ifndef BOOST_MPL_KEY_TYPE_HPP_INCLUDED
#define BOOST_MPL_KEY_TYPE_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/key_type_fwd.hpp>
#include <boost/mpl/sequence_tag.hpp>
#include <boost/mpl/apply_wrap.hpp>
#include <boost/mpl/aux_/na_spec.hpp>
#include <boost/mpl/aux_/lambda_support.hpp>
namespace boost { namespace mpl {
template<
typename BOOST_MPL_AUX_NA_PARAM(AssociativeSequence)
, typename BOOST_MPL_AUX_NA_PARAM(T)
>
struct key_type
: apply_wrap2<
key_type_impl< typename sequence_tag<AssociativeSequence>::type >
, AssociativeSequence, T>
{
BOOST_MPL_AUX_LAMBDA_SUPPORT(2,key_type,(AssociativeSequence,T))
};
BOOST_MPL_AUX_NA_SPEC(2, key_type)
}}
#endif // BOOST_MPL_KEY_TYPE_HPP_INCLUDED