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1 | |
2 | // (C) Copyright Tobias Schwinger | |
3 | // | |
4 | // Use modification and distribution are subject to the boost Software License, | |
5 | // Version 1.0. (See http://www.boost.org/LICENSE_1_0.txt). | |
6 | ||
7 | //------------------------------------------------------------------------------ | |
8 | ||
9 | #ifndef BOOST_FT_PARAMETER_TYPES_HPP_INCLUDED | |
10 | #define BOOST_FT_PARAMETER_TYPES_HPP_INCLUDED | |
11 | ||
12 | #include <boost/blank.hpp> | |
13 | #include <boost/mpl/if.hpp> | |
14 | ||
15 | #include <boost/mpl/aux_/lambda_support.hpp> | |
16 | ||
17 | #include <boost/mpl/pop_front.hpp> | |
18 | ||
19 | #include <boost/function_types/is_callable_builtin.hpp> | |
20 | #include <boost/function_types/components.hpp> | |
21 | ||
22 | namespace boost | |
23 | { | |
24 | namespace function_types | |
25 | { | |
26 | using mpl::placeholders::_; | |
27 | ||
28 | template< typename T, typename ClassTypeTransform = add_reference<_> > | |
29 | struct parameter_types; | |
30 | ||
31 | namespace detail | |
32 | { | |
33 | template<typename T, typename ClassTypeTransform> | |
34 | struct parameter_types_impl | |
35 | : mpl::pop_front | |
36 | < typename function_types::components<T,ClassTypeTransform>::types | |
37 | >::type | |
38 | { }; | |
39 | } | |
40 | ||
41 | template<typename T, typename ClassTypeTransform> struct parameter_types | |
42 | : mpl::if_ | |
43 | < function_types::is_callable_builtin<T> | |
44 | , detail::parameter_types_impl<T,ClassTypeTransform>, boost::blank | |
45 | >::type | |
46 | { | |
47 | BOOST_MPL_AUX_LAMBDA_SUPPORT(2,parameter_types,(T,ClassTypeTransform)) | |
48 | }; | |
49 | } | |
50 | } | |
51 | ||
52 | #endif | |
53 |