#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: has_key_impl.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $ // $Revision: 49267 $ #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