forked from boostorg/fusion
103 lines
3.3 KiB
C++
103 lines
3.3 KiB
C++
/*=============================================================================
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Copyright (c) 2001-2006 Joel de Guzman
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Copyright (c) 2006 Dan Marsden
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Use, modification and distribution is subject to the Boost Software
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License, Version 1.0. (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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#ifndef BOOST_PP_IS_ITERATING
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#if !defined(FUSION_MAP_TIE_20060814_1116)
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#define FUSION_MAP_TIE_20060814_1116
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#include <boost/preprocessor/iterate.hpp>
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#include <boost/preprocessor/repetition/enum_params.hpp>
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#include <boost/preprocessor/repetition/enum_binary_params.hpp>
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#include <boost/preprocessor/repetition/enum_params_with_a_default.hpp>
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#include <boost/fusion/sequence/container/map/map.hpp>
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#include <boost/fusion/support/pair.hpp>
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#include <boost/fusion/sequence/generation/pair_tie.hpp>
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#include <boost/type_traits/add_reference.hpp>
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namespace boost { namespace fusion
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{
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struct void_;
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namespace result_of
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{
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template <
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BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT(
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FUSION_MAX_VECTOR_SIZE, typename K, void_)
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, BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT(
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FUSION_MAX_VECTOR_SIZE, typename D, void_)
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, typename Extra = void_
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>
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struct map_tie;
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template <>
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struct map_tie<>
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{
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typedef map<> type;
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};
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}
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inline map<>
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map_tie()
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{
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return map<>();
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}
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#define BOOST_FUSION_TIED_PAIR(z, n, data) \
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fusion::pair< \
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BOOST_PP_CAT(K, n) \
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, typename add_reference<BOOST_PP_CAT(D, n)>::type>
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#define BOOST_FUSION_PAIR_TIE(z, n, data) \
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fusion::pair_tie<BOOST_PP_CAT(K, n)>(BOOST_PP_CAT(_, n)) \
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#define BOOST_PP_FILENAME_1 <boost/fusion/sequence/generation/map_tie.hpp>
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#define BOOST_PP_ITERATION_LIMITS (1, FUSION_MAX_VECTOR_SIZE)
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#include BOOST_PP_ITERATE()
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#undef BOOST_FUSION_PAIR
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#undef BOOST_FUSION_MAKE_PAIR
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}}
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#endif
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#else // defined(BOOST_PP_IS_ITERATING)
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///////////////////////////////////////////////////////////////////////////////
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//
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// Preprocessor vertical repetition code
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//
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///////////////////////////////////////////////////////////////////////////////
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#define N BOOST_PP_ITERATION()
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namespace result_of
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{
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template <
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BOOST_PP_ENUM_PARAMS(N, typename K)
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, BOOST_PP_ENUM_PARAMS(N, typename D)
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>
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struct map_tie<BOOST_PP_ENUM_PARAMS(N, K), BOOST_PP_ENUM_PARAMS(N, D)>
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{
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typedef map<BOOST_PP_ENUM(N, BOOST_FUSION_TIED_PAIR, _)> type;
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};
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}
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template <
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BOOST_PP_ENUM_PARAMS(N, typename K)
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, BOOST_PP_ENUM_PARAMS(N, typename D)
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>
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inline map<BOOST_PP_ENUM(N, BOOST_FUSION_TIED_PAIR, _)>
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map_tie(BOOST_PP_ENUM_BINARY_PARAMS(N, D, & _))
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{
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return map<BOOST_PP_ENUM(N, BOOST_FUSION_TIED_PAIR, _)>(
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BOOST_PP_ENUM(N, BOOST_FUSION_PAIR_TIE, _));
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}
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#undef N
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#endif // defined(BOOST_PP_IS_ITERATING)
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