

#ifndef BOOST_MPL_AUX_VALUE_WKND_HPP_INCLUDED

#define BOOST_MPL_AUX_VALUE_WKND_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.



// $Source$

// $Date: 2004-12-20 12:52:43 -0500 (Mon, 20 Dec 2004) $

// $Revision: 26558 $



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

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

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

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



#if defined(BOOST_MPL_CFG_BCC_INTEGRAL_CONSTANTS) \

    || defined(BOOST_MPL_CFG_MSVC_60_ETI_BUG)



#   include <boost/mpl/int.hpp>



namespace boost { namespace mpl { namespace aux {

template< typename C_ > struct value_wknd

    : C_

{

};



#if defined(BOOST_MPL_CFG_MSVC_60_ETI_BUG)

template<> struct value_wknd<int>

    : int_<1>

{

    using int_<1>::value;

};

#endif

}}}





#if !defined(BOOST_MPL_CFG_MSVC_60_ETI_BUG)

#   define BOOST_MPL_AUX_VALUE_WKND(C) \

    ::BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE::aux::value_wknd< C > \

/**/

#    define BOOST_MPL_AUX_MSVC_VALUE_WKND(C) BOOST_MPL_AUX_VALUE_WKND(C)

#else

#   define BOOST_MPL_AUX_VALUE_WKND(C) C

#   define BOOST_MPL_AUX_MSVC_VALUE_WKND(C) \

    ::boost::mpl::aux::value_wknd< C > \

/**/

#endif



#else // BOOST_MPL_CFG_BCC_INTEGRAL_CONSTANTS



#   define BOOST_MPL_AUX_VALUE_WKND(C) C

#   define BOOST_MPL_AUX_MSVC_VALUE_WKND(C) C



#endif



#if BOOST_WORKAROUND(__EDG_VERSION__, <= 238)

#   define BOOST_MPL_AUX_NESTED_VALUE_WKND(T, C) \

    BOOST_MPL_AUX_STATIC_CAST(T, C::value) \

/**/

#else

#   define BOOST_MPL_AUX_NESTED_VALUE_WKND(T, C) \

    BOOST_MPL_AUX_VALUE_WKND(C)::value \

/**/

#endif





namespace boost { namespace mpl { namespace aux {



template< typename T > struct value_type_wknd

{

    typedef typename T::value_type type;

};



#if defined(BOOST_MPL_CFG_MSVC_ETI_BUG)

template<> struct value_type_wknd<int>

{

    typedef int type;

};

#endif



}}}



#endif // BOOST_MPL_AUX_VALUE_WKND_HPP_INCLUDED

