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#ifndef BOOST_MPL_SET_AUX_HAS_KEY_IMPL_HPP_INCLUDED
#define BOOST_MPL_SET_AUX_HAS_KEY_IMPL_HPP_INCLUDED
// Copyright Aleksey Gurtovoy 2003-2004
// Copyright David Abrahams 2003-2004
//
// 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/set/aux_/tag.hpp>
#include <boost/mpl/has_key_fwd.hpp>
#include <boost/mpl/bool.hpp>
#include <boost/mpl/aux_/overload_names.hpp>
#include <boost/mpl/aux_/static_cast.hpp>
#include <boost/mpl/aux_/yes_no.hpp>
#include <boost/mpl/aux_/type_wrapper.hpp>
#include <boost/mpl/aux_/config/workaround.hpp>
#include <boost/mpl/aux_/config/static_constant.hpp>
namespace boost { namespace mpl {
template<>
struct has_key_impl< aux::set_tag >
{
template< typename Set, typename T > struct apply
#if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1400)) \
|| BOOST_WORKAROUND(__EDG_VERSION__, <= 245)
{
BOOST_STATIC_CONSTANT(bool, value =
( sizeof( BOOST_MPL_AUX_OVERLOAD_CALL_IS_MASKED(
Set
, BOOST_MPL_AUX_STATIC_CAST(aux::type_wrapper<T>*, 0)
) ) == sizeof(aux::no_tag) )
);
typedef bool_<value> type;
#else // ISO98 C++
: bool_<
( sizeof( BOOST_MPL_AUX_OVERLOAD_CALL_IS_MASKED(
Set
, BOOST_MPL_AUX_STATIC_CAST(aux::type_wrapper<T>*, 0)
) ) == sizeof(aux::no_tag) )
>
{
#endif
};
};
}}
#endif // BOOST_MPL_SET_AUX_HAS_KEY_IMPL_HPP_INCLUDED
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