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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_MINUS_HPP_INCLUDED | |
10 | #define BOOST_TT_HAS_MINUS_HPP_INCLUDED | |
11 | ||
12 | #define BOOST_TT_TRAIT_NAME has_minus | |
13 | #define BOOST_TT_TRAIT_OP - | |
14 | #define BOOST_TT_FORBIDDEN_IF\ | |
15 | (\ | |
16 | /* Lhs==pointer and Rhs==fundamental and Rhs!=integral */\ | |
17 | (\ | |
18 | ::boost::is_pointer< Lhs_noref >::value && \ | |
19 | ::boost::is_fundamental< Rhs_nocv >::value && \ | |
20 | (! ::boost::is_integral< Rhs_noref >::value )\ | |
21 | ) || \ | |
22 | /* Lhs==void* and (Rhs==fundamental or Rhs==pointer) */\ | |
23 | (\ | |
24 | ::boost::is_pointer< Lhs_noref >::value && \ | |
25 | ::boost::is_void< Lhs_noptr >::value && \ | |
26 | ( \ | |
27 | ::boost::is_fundamental< Rhs_nocv >::value || \ | |
28 | ::boost::is_pointer< Rhs_noref >::value\ | |
29 | )\ | |
30 | ) || \ | |
31 | /* Rhs==void* and (Lhs==fundamental or Lhs==pointer) */\ | |
32 | (\ | |
33 | ::boost::is_pointer< Rhs_noref >::value && \ | |
34 | ::boost::is_void< Rhs_noptr >::value && \ | |
35 | (\ | |
36 | ::boost::is_fundamental< Lhs_nocv >::value || \ | |
37 | ::boost::is_pointer< Lhs_noref >::value\ | |
38 | )\ | |
39 | ) ||\ | |
40 | /* Lhs=fundamental and Rhs=pointer */\ | |
41 | (\ | |
42 | ::boost::is_fundamental< Lhs_nocv >::value && \ | |
43 | ::boost::is_pointer< Rhs_noref >::value\ | |
44 | ) ||\ | |
45 | /* two different pointers */\ | |
46 | (\ | |
47 | ::boost::is_pointer< Lhs_noref >::value && \ | |
48 | ::boost::is_pointer< Rhs_noref >::value && \ | |
49 | (! ::boost::is_same< Lhs_nocv, Rhs_nocv >::value )\ | |
50 | )\ | |
51 | ) | |
52 | ||
53 | ||
54 | #include <boost/type_traits/detail/has_binary_operator.hpp> | |
55 | ||
56 | #undef BOOST_TT_TRAIT_NAME | |
57 | #undef BOOST_TT_TRAIT_OP | |
58 | #undef BOOST_TT_FORBIDDEN_IF | |
59 | ||
60 | #endif |