66 lines
2.8 KiB
Plaintext
66 lines
2.8 KiB
Plaintext
#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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