#ifndef BOOST_MPL_PAIR_HPP_INCLUDED

#define BOOST_MPL_PAIR_HPP_INCLUDED

// Copyright Aleksey Gurtovoy 2001-2004

//

// 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: pair.hpp 49267 2008-10-11 06:19:02Z agurtovoy $

// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $

// $Revision: 49267 $

#include <boost/mpl/aux_/msvc_eti_base.hpp>

#include <boost/mpl/aux_/na_spec.hpp>

#include <boost/mpl/aux_/lambda_support.hpp>

#include <boost/mpl/aux_/config/eti.hpp>

namespace boost { namespace mpl {

template<

      typename BOOST_MPL_AUX_NA_PARAM(T1)

    , typename BOOST_MPL_AUX_NA_PARAM(T2)

    >

struct pair

{

    typedef pair type;

    typedef T1 first;

    typedef T2 second;

    BOOST_MPL_AUX_LAMBDA_SUPPORT(2,pair,(T1,T2))

};

template<

      typename BOOST_MPL_AUX_NA_PARAM(P)

    >

struct first

{

#if !defined(BOOST_MPL_CFG_MSVC_70_ETI_BUG)

    typedef typename P::first type;

#else

    typedef typename aux::msvc_eti_base<P>::first type;

#endif

    BOOST_MPL_AUX_LAMBDA_SUPPORT(1,first,(P))

};

template<

      typename BOOST_MPL_AUX_NA_PARAM(P)

    >

struct second

{

#if !defined(BOOST_MPL_CFG_MSVC_70_ETI_BUG)

    typedef typename P::second type;

#else

    typedef typename aux::msvc_eti_base<P>::second type;

#endif

    BOOST_MPL_AUX_LAMBDA_SUPPORT(1,second,(P))

};

BOOST_MPL_AUX_NA_SPEC_NO_ETI(2, pair)

BOOST_MPL_AUX_NA_SPEC(1, first)

BOOST_MPL_AUX_NA_SPEC(1, second)

}}

#endif // BOOST_MPL_PAIR_HPP_INCLUDED