2 #ifndef BOOST_MPL_SET_AUX_HAS_KEY_IMPL_HPP_INCLUDED
\r
3 #define BOOST_MPL_SET_AUX_HAS_KEY_IMPL_HPP_INCLUDED
\r
5 // Copyright Aleksey Gurtovoy 2003-2004
\r
6 // Copyright David Abrahams 2003-2004
\r
8 // Distributed under the Boost Software License, Version 1.0.
\r
9 // (See accompanying file LICENSE_1_0.txt or copy at
\r
10 // http://www.boost.org/LICENSE_1_0.txt)
\r
12 // See http://www.boost.org/libs/mpl for documentation.
\r
14 // $Id: has_key_impl.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
\r
15 // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $
\r
16 // $Revision: 49267 $
\r
18 #include <boost/mpl/set/aux_/tag.hpp>
\r
19 #include <boost/mpl/has_key_fwd.hpp>
\r
20 #include <boost/mpl/bool.hpp>
\r
21 #include <boost/mpl/aux_/overload_names.hpp>
\r
22 #include <boost/mpl/aux_/static_cast.hpp>
\r
23 #include <boost/mpl/aux_/yes_no.hpp>
\r
24 #include <boost/mpl/aux_/type_wrapper.hpp>
\r
25 #include <boost/mpl/aux_/config/workaround.hpp>
\r
26 #include <boost/mpl/aux_/config/static_constant.hpp>
\r
28 namespace boost { namespace mpl {
\r
31 struct has_key_impl< aux::set_tag >
\r
33 template< typename Set, typename T > struct apply
\r
34 #if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1400)) \
\r
35 || BOOST_WORKAROUND(__EDG_VERSION__, <= 245)
\r
37 BOOST_STATIC_CONSTANT(bool, value =
\r
38 ( sizeof( BOOST_MPL_AUX_OVERLOAD_CALL_IS_MASKED(
\r
40 , BOOST_MPL_AUX_STATIC_CAST(aux::type_wrapper<T>*, 0)
\r
41 ) ) == sizeof(aux::no_tag) )
\r
44 typedef bool_<value> type;
\r
48 ( sizeof( BOOST_MPL_AUX_OVERLOAD_CALL_IS_MASKED(
\r
50 , BOOST_MPL_AUX_STATIC_CAST(aux::type_wrapper<T>*, 0)
\r
51 ) ) == sizeof(aux::no_tag) )
\r
60 #endif // BOOST_MPL_SET_AUX_HAS_KEY_IMPL_HPP_INCLUDED
\r