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_POST_DECREMENT_HPP_INCLUDED
10#define BOOST_TT_HAS_POST_DECREMENT_HPP_INCLUDED
11
12#include <boost/type_traits/is_array.hpp>
13
14#define BOOST_TT_TRAIT_NAME has_post_decrement
15#define BOOST_TT_TRAIT_OP --
16#define BOOST_TT_FORBIDDEN_IF\
17 (\
18 /* bool */\
19 ::boost::is_same< bool, Lhs_nocv >::value || \
20 /* void* */\
21 (\
22 ::boost::is_pointer< Lhs_noref >::value && \
23 ::boost::is_void< Lhs_noptr >::value\
24 ) || \
25 /* (fundamental or pointer) and const */\
26 (\
27 ( \
28 ::boost::is_fundamental< Lhs_nocv >::value || \
29 ::boost::is_pointer< Lhs_noref >::value\
30 ) && \
31 ::boost::is_const< Lhs_noref >::value\
32 )||\
33 /* Arrays */ \
34 ::boost::is_array<Lhs_noref>::value\
35 )
36
37
38#include <boost/type_traits/detail/has_postfix_operator.hpp>
39
40#undef BOOST_TT_TRAIT_NAME
41#undef BOOST_TT_TRAIT_OP
42#undef BOOST_TT_FORBIDDEN_IF
43
44#if defined(BOOST_TT_HAS_ACCURATE_BINARY_OPERATOR_DETECTION)
45
46namespace boost {
47
48 template <class R>
49 struct has_post_decrement<bool, R> : public false_type {};
50 template <>
51 struct has_post_decrement<bool, boost::binary_op_detail::dont_care> : public false_type {};
52 template <>
53 struct has_post_decrement<bool, void> : public false_type {};
54
55 template <class R>
56 struct has_post_decrement<bool&, R> : public false_type {};
57 template <>
58 struct has_post_decrement<bool&, boost::binary_op_detail::dont_care> : public false_type {};
59 template <>
60 struct has_post_decrement<bool&, void> : public false_type {};
61
62}
63
64#endif
65#endif
66

source code of include/boost/type_traits/has_post_decrement.hpp