#ifndef BOOST_MPL_SAME_AS_HPP_INCLUDED

#define BOOST_MPL_SAME_AS_HPP_INCLUDED

// Copyright Aleksey Gurtovoy 2000-2004

//

// 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/same_as.hpp,v $

// $Date: 2004/09/02 15:40:42 $

// $Revision: 1.6 $

#include <boost/mpl/not.hpp>

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

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

#include <boost/type_traits/is_same.hpp>

namespace boost { namespace mpl {

template< typename T1 >

struct same_as

{

    template< typename T2 > struct apply

#if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING)

        : is_same<T1,T2>

    {

#else

    {

        typedef typename is_same<T1,T2>::type type;

#endif

    };

};

template< typename T1 >

struct not_same_as

{

    template< typename T2 > struct apply

#if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING)

        : not_< is_same<T1,T2> >

    {

#else

    {

        typedef typename not_< is_same<T1,T2> >::type type;

#endif

    };

};

}}

#endif // BOOST_MPL_SAME_AS_HPP_INCLUDED