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|---|---|---|
| 7c673cae FG |
1 | |
| 2 | #ifndef BOOST_MPL_SET_AUX_HAS_KEY_IMPL_HPP_INCLUDED | |
| 3 | #define BOOST_MPL_SET_AUX_HAS_KEY_IMPL_HPP_INCLUDED | |
| 4 | ||
| 5 | // Copyright Aleksey Gurtovoy 2003-2004 | |
| 6 | // Copyright David Abrahams 2003-2004 | |
| 7 | // | |
| 8 | // Distributed under the Boost Software License, Version 1.0. | |
| 9 | // (See accompanying file LICENSE_1_0.txt or copy at | |
| 10 | // http://www.boost.org/LICENSE_1_0.txt) | |
| 11 | // | |
| 12 | // See http://www.boost.org/libs/mpl for documentation. | |
| 13 | ||
| 14 | // $Id$ | |
| 15 | // $Date$ | |
| 16 | // $Revision$ | |
| 17 | ||
| 18 | #include <boost/mpl/set/aux_/tag.hpp> | |
| 19 | #include <boost/mpl/has_key_fwd.hpp> | |
| 20 | #include <boost/mpl/bool.hpp> | |
| 21 | #include <boost/mpl/aux_/overload_names.hpp> | |
| 22 | #include <boost/mpl/aux_/static_cast.hpp> | |
| 23 | #include <boost/mpl/aux_/yes_no.hpp> | |
| 24 | #include <boost/mpl/aux_/type_wrapper.hpp> | |
| 25 | #include <boost/mpl/aux_/config/workaround.hpp> | |
| 26 | #include <boost/mpl/aux_/config/static_constant.hpp> | |
| 27 | ||
| 28 | namespace boost { namespace mpl { | |
| 29 | ||
| 30 | template<> | |
| 31 | struct has_key_impl< aux::set_tag > | |
| 32 | { | |
| 33 | template< typename Set, typename T > struct apply | |
| 34 | #if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1400)) \ | |
| 35 | || BOOST_WORKAROUND(__EDG_VERSION__, <= 245) | |
| 36 | { | |
| 37 | BOOST_STATIC_CONSTANT(bool, value = | |
| 38 | ( sizeof( BOOST_MPL_AUX_OVERLOAD_CALL_IS_MASKED( | |
| 39 | Set | |
| 40 | , BOOST_MPL_AUX_STATIC_CAST(aux::type_wrapper<T>*, 0) | |
| 41 | ) ) == sizeof(aux::no_tag) ) | |
| 42 | ); | |
| 43 | ||
| 44 | typedef bool_<value> type; | |
| 45 | ||
| 46 | #else // ISO98 C++ | |
| 47 | : bool_< | |
| 48 | ( sizeof( BOOST_MPL_AUX_OVERLOAD_CALL_IS_MASKED( | |
| 49 | Set | |
| 50 | , BOOST_MPL_AUX_STATIC_CAST(aux::type_wrapper<T>*, 0) | |
| 51 | ) ) == sizeof(aux::no_tag) ) | |
| 52 | > | |
| 53 | { | |
| 54 | #endif | |
| 55 | }; | |
| 56 | }; | |
| 57 | ||
| 58 | }} | |
| 59 | ||
| 60 | #endif // BOOST_MPL_SET_AUX_HAS_KEY_IMPL_HPP_INCLUDED |