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1 | /*============================================================================== |
2 | Copyright (c) 2001-2010 Joel de Guzman | |
3 | Copyright (c) 2010 Thomas Heller | |
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 | #ifndef BOOST_PHOENIX_OBJECT_DETAIL_CAST_TARGET_HPP | |
9 | #define BOOST_PHOENIX_OBJECT_DETAIL_CAST_TARGET_HPP | |
10 | ||
11 | namespace boost { namespace phoenix | |
12 | { | |
13 | namespace detail | |
14 | { | |
15 | template <typename T> | |
16 | struct target | |
17 | { | |
18 | typedef T type; | |
19 | }; | |
20 | ||
21 | namespace result_of | |
22 | { | |
23 | template <typename T> | |
24 | struct target | |
25 | { | |
26 | typedef | |
27 | typename proto::detail::uncvref< | |
28 | typename proto::result_of::value<T>::type | |
29 | >::type | |
30 | target_type; | |
31 | typedef typename target_type::type type; | |
32 | }; | |
33 | ||
34 | template <typename T> | |
35 | struct target<T const&> | |
36 | : target<T> | |
37 | {}; | |
38 | ||
39 | template <typename T> | |
40 | struct target<T&> | |
41 | : target<T> | |
42 | {}; | |
43 | } | |
44 | } | |
45 | }} | |
46 | ||
47 | #endif |