Chris@16: 
Chris@16: #ifndef BOOST_MPL_AUX_VALUE_WKND_HPP_INCLUDED
Chris@16: #define BOOST_MPL_AUX_VALUE_WKND_HPP_INCLUDED
Chris@16: 
Chris@16: // Copyright Aleksey Gurtovoy 2000-2004
Chris@16: //
Chris@16: // Distributed under the Boost Software License, Version 1.0. 
Chris@16: // (See accompanying file LICENSE_1_0.txt or copy at 
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: // See http://www.boost.org/libs/mpl for documentation.
Chris@16: 
Chris@101: // $Id$
Chris@101: // $Date$
Chris@101: // $Revision$
Chris@16: 
Chris@16: #include <boost/mpl/aux_/static_cast.hpp>
Chris@16: #include <boost/mpl/aux_/config/integral.hpp>
Chris@16: #include <boost/mpl/aux_/config/eti.hpp>
Chris@16: #include <boost/mpl/aux_/config/workaround.hpp>
Chris@16: 
Chris@16: #if defined(BOOST_MPL_CFG_BCC_INTEGRAL_CONSTANTS) \
Chris@16:     || defined(BOOST_MPL_CFG_MSVC_60_ETI_BUG)
Chris@16: 
Chris@16: #   include <boost/mpl/int.hpp>
Chris@16: 
Chris@16: namespace boost { namespace mpl { namespace aux {
Chris@16: template< typename C_ > struct value_wknd
Chris@16:     : C_
Chris@16: {
Chris@16: };
Chris@16: 
Chris@16: #if defined(BOOST_MPL_CFG_MSVC_60_ETI_BUG)
Chris@16: template<> struct value_wknd<int>
Chris@16:     : int_<1>
Chris@16: {
Chris@16:     using int_<1>::value;
Chris@16: };
Chris@16: #endif
Chris@16: }}}
Chris@16: 
Chris@16: 
Chris@16: #if !defined(BOOST_MPL_CFG_MSVC_60_ETI_BUG)
Chris@16: #   define BOOST_MPL_AUX_VALUE_WKND(C) \
Chris@16:     ::BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE::aux::value_wknd< C > \
Chris@16: /**/
Chris@16: #    define BOOST_MPL_AUX_MSVC_VALUE_WKND(C) BOOST_MPL_AUX_VALUE_WKND(C)
Chris@16: #else
Chris@16: #   define BOOST_MPL_AUX_VALUE_WKND(C) C
Chris@16: #   define BOOST_MPL_AUX_MSVC_VALUE_WKND(C) \
Chris@16:     ::boost::mpl::aux::value_wknd< C > \
Chris@16: /**/
Chris@16: #endif
Chris@16: 
Chris@16: #else // BOOST_MPL_CFG_BCC_INTEGRAL_CONSTANTS
Chris@16: 
Chris@16: #   define BOOST_MPL_AUX_VALUE_WKND(C) C
Chris@16: #   define BOOST_MPL_AUX_MSVC_VALUE_WKND(C) C
Chris@16: 
Chris@16: #endif
Chris@16: 
Chris@16: #if BOOST_WORKAROUND(__EDG_VERSION__, <= 238)
Chris@16: #   define BOOST_MPL_AUX_NESTED_VALUE_WKND(T, C) \
Chris@16:     BOOST_MPL_AUX_STATIC_CAST(T, C::value) \
Chris@16: /**/
Chris@16: #else
Chris@16: #   define BOOST_MPL_AUX_NESTED_VALUE_WKND(T, C) \
Chris@16:     BOOST_MPL_AUX_VALUE_WKND(C)::value \
Chris@16: /**/
Chris@16: #endif
Chris@16: 
Chris@16: 
Chris@16: namespace boost { namespace mpl { namespace aux {
Chris@16: 
Chris@16: template< typename T > struct value_type_wknd
Chris@16: {
Chris@16:     typedef typename T::value_type type;
Chris@16: };
Chris@16: 
Chris@16: #if defined(BOOST_MPL_CFG_MSVC_ETI_BUG)
Chris@16: template<> struct value_type_wknd<int>
Chris@16: {
Chris@16:     typedef int type;
Chris@16: };
Chris@16: #endif
Chris@16: 
Chris@16: }}}
Chris@16: 
Chris@16: #endif // BOOST_MPL_AUX_VALUE_WKND_HPP_INCLUDED