#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.

 // $Source: /cvsroot/boost/boost/boost/mpl/pair.hpp,v $

 // $Date: 2004/12/14 14:05:31 $

 // $Revision: 1.5 $

 #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