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1 | // (C) Copyright 2009-2011 Frederic Bron. |
2 | // | |
3 | // Use, modification and distribution are subject to the Boost Software License, | |
4 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
5 | // http://www.boost.org/LICENSE_1_0.txt). | |
6 | // | |
7 | // See http://www.boost.org/libs/type_traits for most recent version including documentation. | |
8 | ||
9 | #ifndef BOOST_TT_HAS_EQUAL_TO_HPP_INCLUDED | |
10 | #define BOOST_TT_HAS_EQUAL_TO_HPP_INCLUDED | |
11 | ||
12 | #define BOOST_TT_TRAIT_NAME has_equal_to | |
13 | #define BOOST_TT_TRAIT_OP == | |
14 | #define BOOST_TT_FORBIDDEN_IF\ | |
15 | (\ | |
16 | /* Lhs==pointer and Rhs==fundamental */\ | |
17 | (\ | |
18 | ::boost::is_pointer< Lhs_noref >::value && \ | |
19 | ::boost::is_fundamental< Rhs_nocv >::value\ | |
20 | ) || \ | |
21 | /* Rhs==pointer and Lhs==fundamental */\ | |
22 | (\ | |
23 | ::boost::is_pointer< Rhs_noref >::value && \ | |
24 | ::boost::is_fundamental< Lhs_nocv >::value\ | |
25 | ) || \ | |
26 | /* Lhs==pointer and Rhs==pointer and Lhs!=base(Rhs) and Rhs!=base(Lhs) and Lhs!=void* and Rhs!=void* */\ | |
27 | (\ | |
28 | ::boost::is_pointer< Lhs_noref >::value && \ | |
29 | ::boost::is_pointer< Rhs_noref >::value && \ | |
30 | (! \ | |
31 | (\ | |
32 | ::boost::is_base_of< Lhs_noptr, Rhs_noptr >::value || \ | |
33 | ::boost::is_base_of< Rhs_noptr, Lhs_noptr >::value || \ | |
34 | ::boost::is_same< Lhs_noptr, Rhs_noptr >::value || \ | |
35 | ::boost::is_void< Lhs_noptr >::value || \ | |
36 | ::boost::is_void< Rhs_noptr >::value\ | |
37 | )\ | |
38 | )\ | |
39 | )\ | |
40 | ) | |
41 | ||
42 | ||
43 | #include <boost/type_traits/detail/has_binary_operator.hpp> | |
44 | ||
45 | #undef BOOST_TT_TRAIT_NAME | |
46 | #undef BOOST_TT_TRAIT_OP | |
47 | #undef BOOST_TT_FORBIDDEN_IF | |
48 | ||
49 | #endif |