1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
#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
|