1 | /*============================================================================= |
2 | Copyright (c) 1999-2003 Jaakko Jarvi |
3 | Copyright (c) 2001-2011 Joel de Guzman |
4 | |
5 | Distributed under the Boost Software License, Version 1.0. (See accompanying |
6 | file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
7 | ==============================================================================*/ |
8 | #if !defined(FUSION_AS_FUSION_ELEMENT_05052005_0338) |
9 | #define FUSION_AS_FUSION_ELEMENT_05052005_0338 |
10 | |
11 | #include <boost/fusion/support/config.hpp> |
12 | #include <boost/ref.hpp> |
13 | |
14 | #ifndef BOOST_NO_CXX11_HDR_FUNCTIONAL |
15 | #include <functional> |
16 | #endif |
17 | |
18 | namespace boost { namespace fusion { namespace detail |
19 | { |
20 | template <typename T> |
21 | struct as_fusion_element |
22 | { |
23 | typedef T type; |
24 | }; |
25 | |
26 | template <typename T> |
27 | struct as_fusion_element<reference_wrapper<T> > |
28 | { |
29 | typedef T& type; |
30 | }; |
31 | |
32 | #ifndef BOOST_NO_CXX11_HDR_FUNCTIONAL |
33 | template <typename T> |
34 | struct as_fusion_element<std::reference_wrapper<T> > |
35 | { |
36 | typedef T& type; |
37 | }; |
38 | #endif |
39 | |
40 | template <typename T, int N> |
41 | struct as_fusion_element<T[N]> |
42 | { |
43 | typedef const T(&type)[N]; |
44 | }; |
45 | |
46 | template <typename T, int N> |
47 | struct as_fusion_element<volatile T[N]> |
48 | { |
49 | typedef const volatile T(&type)[N]; |
50 | }; |
51 | |
52 | template <typename T, int N> |
53 | struct as_fusion_element<const volatile T[N]> |
54 | { |
55 | typedef const volatile T(&type)[N]; |
56 | }; |
57 | |
58 | }}} |
59 | |
60 | #endif |
61 | |