boost/mpl/aux_/is_msvc_eti_arg.hpp

#ifndef BOOST_MPL_AUX_IS_MSVC_ETI_ARG_HPP_INCLUDED
#define BOOST_MPL_AUX_IS_MSVC_ETI_ARG_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.
// $Id$
// $Date$
// $Revision$
#include <boost/mpl/aux_/yes_no.hpp>
#include <boost/mpl/aux_/config/eti.hpp>
#include <boost/mpl/aux_/config/static_constant.hpp>
namespace boost { namespace mpl { namespace aux {
#if defined(BOOST_MPL_CFG_MSVC_ETI_BUG)
#if defined(BOOST_MPL_CFG_MSVC_60_ETI_BUG)
template< typename T >
struct is_msvc_eti_arg
{ 
    BOOST_STATIC_CONSTANT(bool, value = false);
};
#else // BOOST_MPL_CFG_MSVC_60_ETI_BUG
struct eti_int_convertible
{
    eti_int_convertible(int);
};
template< typename T >
struct is_msvc_eti_arg
{ 
    static no_tag test(...);
    static yes_tag test(eti_int_convertible);
    static T& get();
    BOOST_STATIC_CONSTANT(bool, value = 
          sizeof(test(get())) == sizeof(yes_tag)
        );
};
#endif
template<>
struct is_msvc_eti_arg<int>
{ 
    BOOST_STATIC_CONSTANT(bool, value = true);
};
#endif // BOOST_MPL_CFG_MSVC_ETI_BUG
}}}
#endif // BOOST_MPL_AUX_IS_MSVC_ETI_ARG_HPP_INCLUDED