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65 lines
2.8 KiB
65 lines
2.8 KiB
#if !defined(BOOST_PROTO_DONT_USE_PREPROCESSED_FILES) |
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#include <boost/proto/detail/preprocessed/poly_function_traits.hpp> |
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#elif !defined(BOOST_PP_IS_ITERATING) |
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#if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES) |
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#pragma wave option(preserve: 2, line: 0, output: "preprocessed/poly_function_traits.hpp") |
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#endif |
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/////////////////////////////////////////////////////////////////////////////// |
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// poly_function_traits.hpp |
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// Contains specializations of poly_function_traits and as_mono_function |
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// |
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// Copyright 2008 Eric Niebler. Distributed under the Boost |
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// Software License, Version 1.0. (See accompanying file |
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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#if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES) |
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#pragma wave option(preserve: 1) |
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#endif |
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#define BOOST_PP_ITERATION_PARAMS_1 \ |
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(3, (1, BOOST_PROTO_MAX_ARITY, <boost/proto/detail/poly_function_traits.hpp>)) |
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#include BOOST_PP_ITERATE() |
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#if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES) |
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#pragma wave option(output: null) |
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#endif |
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#else |
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#define N BOOST_PP_ITERATION() |
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//////////////////////////////////////////////////////////////////////////////////////////////// |
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template<typename PolyFun BOOST_PP_ENUM_TRAILING_PARAMS(N, typename A)> |
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struct poly_function_traits<PolyFun, PolyFun(BOOST_PP_ENUM_PARAMS(N, A)), mpl::size_t<sizeof(poly_function_t)> > |
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{ |
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typedef typename PolyFun::template impl<BOOST_PP_ENUM_PARAMS(N, const A)> function_type; |
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typedef typename function_type::result_type result_type; |
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}; |
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//////////////////////////////////////////////////////////////////////////////////////////////// |
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template<typename PolyFun BOOST_PP_ENUM_TRAILING_PARAMS(N, typename A)> |
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struct as_mono_function_impl<PolyFun(BOOST_PP_ENUM_PARAMS(N, A)), true> |
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{ |
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typedef typename PolyFun::template impl<BOOST_PP_ENUM_PARAMS(N, const A)> type; |
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}; |
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//////////////////////////////////////////////////////////////////////////////////////////////// |
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template<typename PolyFun BOOST_PP_ENUM_TRAILING_PARAMS(N, typename A)> |
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struct as_mono_function_impl<PolyFun(BOOST_PP_ENUM_PARAMS(N, A)), false> |
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{ |
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typedef PolyFun type; |
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}; |
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//////////////////////////////////////////////////////////////////////////////////////////////// |
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template<typename PolyFun BOOST_PP_ENUM_TRAILING_PARAMS(N, typename A)> |
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struct as_mono_function<PolyFun(BOOST_PP_ENUM_PARAMS(N, A))> |
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: as_mono_function_impl<PolyFun(BOOST_PP_ENUM_PARAMS(N, A)), is_poly_function<PolyFun>::value> |
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{}; |
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#undef N |
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#endif // BOOST_PROTO_DONT_USE_PREPROCESSED_FILES
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