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concurrentqueue/benchmarks/boost/mpl/aux_/msvc_eti_base.hpp

78 lines
1.6 KiB
C++

#ifndef BOOST_MPL_AUX_MSVC_ETI_BASE_HPP_INCLUDED
#define BOOST_MPL_AUX_MSVC_ETI_BASE_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_/is_msvc_eti_arg.hpp>
#include <boost/mpl/aux_/config/eti.hpp>
#include <boost/mpl/aux_/config/gcc.hpp>
#include <boost/mpl/aux_/config/workaround.hpp>
namespace boost { namespace mpl { namespace aux {
#if defined(BOOST_MPL_CFG_MSVC_70_ETI_BUG)
template< bool > struct msvc_eti_base_impl
{
template< typename T > struct result_
: T
{
typedef T type;
};
};
template<> struct msvc_eti_base_impl<true>
{
template< typename T > struct result_
{
typedef result_ type;
typedef result_ first;
typedef result_ second;
typedef result_ tag;
enum { value = 0 };
};
};
template< typename T > struct msvc_eti_base
: msvc_eti_base_impl< is_msvc_eti_arg<T>::value >
::template result_<T>
{
};
#else // !BOOST_MPL_CFG_MSVC_70_ETI_BUG
template< typename T > struct msvc_eti_base
: T
{
#if BOOST_WORKAROUND(BOOST_MPL_CFG_GCC, BOOST_TESTED_AT(0x0304))
msvc_eti_base();
#endif
typedef T type;
};
#endif
template<> struct msvc_eti_base<int>
{
typedef msvc_eti_base type;
typedef msvc_eti_base first;
typedef msvc_eti_base second;
typedef msvc_eti_base tag;
enum { value = 0 };
};
}}}
#endif // BOOST_MPL_AUX_MSVC_ETI_BASE_HPP_INCLUDED