61 lines
1.7 KiB
Plaintext
61 lines
1.7 KiB
Plaintext
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#ifndef BOOST_MPL_SET_AUX_HAS_KEY_IMPL_HPP_INCLUDED
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#define BOOST_MPL_SET_AUX_HAS_KEY_IMPL_HPP_INCLUDED
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// Copyright Aleksey Gurtovoy 2003-2004
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// Copyright David Abrahams 2003-2004
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/mpl for documentation.
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// $Id$
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// $Date$
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// $Revision$
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#include <boost/mpl/set/aux_/tag.hpp>
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#include <boost/mpl/has_key_fwd.hpp>
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#include <boost/mpl/bool.hpp>
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#include <boost/mpl/aux_/overload_names.hpp>
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#include <boost/mpl/aux_/static_cast.hpp>
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#include <boost/mpl/aux_/yes_no.hpp>
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#include <boost/mpl/aux_/type_wrapper.hpp>
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#include <boost/mpl/aux_/config/workaround.hpp>
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#include <boost/mpl/aux_/config/static_constant.hpp>
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namespace boost { namespace mpl {
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template<>
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struct has_key_impl< aux::set_tag >
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{
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template< typename Set, typename T > struct apply
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#if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1400)) \
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|| BOOST_WORKAROUND(__EDG_VERSION__, <= 245)
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{
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BOOST_STATIC_CONSTANT(bool, value =
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( sizeof( BOOST_MPL_AUX_OVERLOAD_CALL_IS_MASKED(
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Set
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, BOOST_MPL_AUX_STATIC_CAST(aux::type_wrapper<T>*, 0)
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) ) == sizeof(aux::no_tag) )
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);
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typedef bool_<value> type;
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#else // ISO98 C++
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: bool_<
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( sizeof( BOOST_MPL_AUX_OVERLOAD_CALL_IS_MASKED(
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Set
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, BOOST_MPL_AUX_STATIC_CAST(aux::type_wrapper<T>*, 0)
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) ) == sizeof(aux::no_tag) )
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>
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{
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#endif
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};
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};
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}}
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#endif // BOOST_MPL_SET_AUX_HAS_KEY_IMPL_HPP_INCLUDED
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