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1 | // Copyright (C) 2006 Arkadiy Vertleyb | |
2 | // Use, modification and distribution is subject to the Boost Software | |
3 | // License, Version 1.0. (http://www.boost.org/LICENSE_1_0.txt) | |
4 | ||
5 | #ifndef BOOST_TYPEOF_NATIVE_HPP_INCLUDED | |
6 | #define BOOST_TYPEOF_NATIVE_HPP_INCLUDED | |
7 | ||
8 | #ifndef MSVC_TYPEOF_HACK | |
9 | ||
10 | #ifdef BOOST_NO_SFINAE | |
11 | ||
12 | namespace boost { namespace type_of { | |
13 | ||
14 | template<class T> | |
15 | T& ensure_obj(const T&); | |
16 | ||
17 | }} | |
18 | ||
19 | #else | |
20 | ||
21 | #include <boost/type_traits/is_function.hpp> | |
22 | #include <boost/utility/enable_if.hpp> | |
23 | ||
24 | namespace boost { namespace type_of { | |
25 | # ifdef BOOST_NO_SFINAE | |
26 | template<class T> | |
27 | T& ensure_obj(const T&); | |
28 | # else | |
29 | template<typename T> | |
30 | typename enable_if<is_function<T>, T&>::type | |
31 | ensure_obj(T&); | |
32 | ||
33 | template<typename T> | |
34 | typename disable_if<is_function<T>, T&>::type | |
35 | ensure_obj(const T&); | |
36 | # endif | |
37 | }} | |
38 | ||
39 | #endif//BOOST_NO_SFINAE | |
40 | ||
41 | #define BOOST_TYPEOF(expr) BOOST_TYPEOF_KEYWORD(boost::type_of::ensure_obj(expr)) | |
42 | #define BOOST_TYPEOF_TPL BOOST_TYPEOF | |
43 | ||
44 | #define BOOST_TYPEOF_NESTED_TYPEDEF_TPL(name,expr) \ | |
45 | struct name {\ | |
46 | typedef BOOST_TYPEOF_TPL(expr) type;\ | |
47 | }; | |
48 | ||
49 | #define BOOST_TYPEOF_NESTED_TYPEDEF(name,expr) \ | |
50 | struct name {\ | |
51 | typedef BOOST_TYPEOF(expr) type;\ | |
52 | }; | |
53 | ||
54 | #endif//MSVC_TYPEOF_HACK | |
55 | ||
56 | #define BOOST_TYPEOF_REGISTER_TYPE(x) | |
57 | #define BOOST_TYPEOF_REGISTER_TEMPLATE(x, params) | |
58 | ||
59 | #endif//BOOST_TYPEOF_NATIVE_HPP_INCLUDED | |
60 |