boost/mpl/aux_/is_msvc_eti_arg.hpp
//-----------------------------------------------------------------------------
// boost mpl/aux_/is_msvc_eti_arg.hpp header file
// See http://www.boost.org for updates, documentation, and revision history.
//-----------------------------------------------------------------------------
//
// Copyright (c) 2001-03
// Aleksey Gurtovoy
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appears in all copies and
// that both the copyright notice and this permission notice appear in
// supporting documentation. No representations are made about the
// suitability of this software for any purpose. It is provided "as is"
// without express or implied warranty.
#ifndef BOOST_MPL_AUX_IS_MSVC_ETI_ARG_HPP_INCLUDED
#define BOOST_MPL_AUX_IS_MSVC_ETI_ARG_HPP_INCLUDED
#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_MSVC_ETI_BUG)
#if defined(BOOST_MPL_MSVC_60_ETI_BUG)
template< typename T >
struct is_msvc_eti_arg
{
BOOST_STATIC_CONSTANT(bool, value = false);
};
#else
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 // BOOST_MPL_MSVC_60_ETI_BUG
template<>
struct is_msvc_eti_arg<int>
{
BOOST_STATIC_CONSTANT(bool, value = true);
};
#endif // BOOST_MPL_MSVC_ETI_BUG
}}} // namespace boost::mpl::aux
#endif // BOOST_MPL_AUX_IS_MSVC_ETI_ARG_HPP_INCLUDED