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

100 lines
2.5 KiB
C++

#ifndef BOOST_MPL_AUX_HAS_REBIND_HPP_INCLUDED
#define BOOST_MPL_AUX_HAS_REBIND_HPP_INCLUDED
// Copyright Aleksey Gurtovoy 2002-2004
//
// 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_/config/msvc.hpp>
#include <boost/mpl/aux_/config/intel.hpp>
#include <boost/mpl/aux_/config/workaround.hpp>
#if BOOST_WORKAROUND(__EDG_VERSION__, <= 244) && !defined(BOOST_INTEL_CXX_VERSION)
# include <boost/mpl/has_xxx.hpp>
#elif BOOST_WORKAROUND(BOOST_MSVC, < 1300)
# include <boost/mpl/has_xxx.hpp>
# include <boost/mpl/if.hpp>
# include <boost/mpl/bool.hpp>
# include <boost/mpl/aux_/msvc_is_class.hpp>
#elif BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x610))
# include <boost/mpl/if.hpp>
# include <boost/mpl/bool.hpp>
# include <boost/mpl/aux_/yes_no.hpp>
# include <boost/mpl/aux_/config/static_constant.hpp>
# include <boost/type_traits/is_class.hpp>
#else
# include <boost/mpl/aux_/type_wrapper.hpp>
# include <boost/mpl/aux_/yes_no.hpp>
# include <boost/mpl/aux_/config/static_constant.hpp>
#endif
namespace boost { namespace mpl { namespace aux {
#if BOOST_WORKAROUND(__EDG_VERSION__, <= 244) && !defined(BOOST_INTEL_CXX_VERSION)
BOOST_MPL_HAS_XXX_TRAIT_NAMED_DEF(has_rebind, rebind, false)
#elif BOOST_WORKAROUND(BOOST_MSVC, < 1300)
BOOST_MPL_HAS_XXX_TRAIT_NAMED_DEF(has_rebind_impl, rebind, false)
template< typename T >
struct has_rebind
: if_<
msvc_is_class<T>
, has_rebind_impl<T>
, bool_<false>
>::type
{
};
#else // the rest
template< typename T > struct has_rebind_tag {};
no_tag operator|(has_rebind_tag<int>, void const volatile*);
# if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x610))
template< typename T >
struct has_rebind
{
static has_rebind_tag<T>* get();
BOOST_STATIC_CONSTANT(bool, value =
sizeof(has_rebind_tag<int>() | get()) == sizeof(yes_tag)
);
};
# else // __BORLANDC__
template< typename T >
struct has_rebind_impl
{
static T* get();
BOOST_STATIC_CONSTANT(bool, value =
sizeof(has_rebind_tag<int>() | get()) == sizeof(yes_tag)
);
};
template< typename T >
struct has_rebind
: if_<
is_class<T>
, has_rebind_impl<T>
, bool_<false>
>::type
{
};
# endif // __BORLANDC__
#endif
}}}
#endif // BOOST_MPL_AUX_HAS_REBIND_HPP_INCLUDED