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