1 #if !defined(BOOST_PROTO_DONT_USE_PREPROCESSED_FILES)
2 
3     #include <boost/proto/detail/preprocessed/poly_function_traits.hpp>
4 
5 #elif !defined(BOOST_PP_IS_ITERATING)
6 
7     #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
8         #pragma wave option(preserve: 2, line: 0, output: "preprocessed/poly_function_traits.hpp")
9     #endif
10 
11     ///////////////////////////////////////////////////////////////////////////////
12     // poly_function_traits.hpp
13     // Contains specializations of poly_function_traits and as_mono_function
14     //
15     //  Copyright 2008 Eric Niebler. Distributed under the Boost
16     //  Software License, Version 1.0. (See accompanying file
17     //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
18 
19     #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
20         #pragma wave option(preserve: 1)
21     #endif
22 
23     #define BOOST_PP_ITERATION_PARAMS_1                                                             \
24         (3, (1, BOOST_PROTO_MAX_ARITY, <boost/proto/detail/poly_function_traits.hpp>))
25     #include BOOST_PP_ITERATE()
26 
27     #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
28         #pragma wave option(output: null)
29     #endif
30 
31 #else
32 
33     #define N BOOST_PP_ITERATION()
34 
35     ////////////////////////////////////////////////////////////////////////////////////////////////
36     template<typename PolyFun BOOST_PP_ENUM_TRAILING_PARAMS(N, typename A)>
37     struct poly_function_traits<PolyFun, PolyFun(BOOST_PP_ENUM_PARAMS(N, A)), mpl::size_t<sizeof(poly_function_t)> >
38     {
39         typedef typename PolyFun::template impl<BOOST_PP_ENUM_PARAMS(N, const A)> function_type;
40         typedef typename function_type::result_type result_type;
41     };
42 
43     ////////////////////////////////////////////////////////////////////////////////////////////////
44     template<typename PolyFun BOOST_PP_ENUM_TRAILING_PARAMS(N, typename A)>
45     struct as_mono_function_impl<PolyFun(BOOST_PP_ENUM_PARAMS(N, A)), true>
46     {
47         typedef typename PolyFun::template impl<BOOST_PP_ENUM_PARAMS(N, const A)> type;
48     };
49 
50     ////////////////////////////////////////////////////////////////////////////////////////////////
51     template<typename PolyFun BOOST_PP_ENUM_TRAILING_PARAMS(N, typename A)>
52     struct as_mono_function_impl<PolyFun(BOOST_PP_ENUM_PARAMS(N, A)), false>
53     {
54         typedef PolyFun type;
55     };
56 
57     ////////////////////////////////////////////////////////////////////////////////////////////////
58     template<typename PolyFun BOOST_PP_ENUM_TRAILING_PARAMS(N, typename A)>
59     struct as_mono_function<PolyFun(BOOST_PP_ENUM_PARAMS(N, A))>
60       : as_mono_function_impl<PolyFun(BOOST_PP_ENUM_PARAMS(N, A)), is_poly_function<PolyFun>::value>
61     {};
62 
63     #undef N
64 
65 #endif // BOOST_PROTO_DONT_USE_PREPROCESSED_FILES
66