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_ASSIGN_HPP_INCLUDED
10#define BOOST_TT_HAS_MINUS_ASSIGN_HPP_INCLUDED
11
12#define BOOST_TT_TRAIT_NAME has_minus_assign
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 */\
23 (\
24 ::boost::is_pointer< Lhs_noref >::value && \
25 ::boost::is_void< Lhs_noptr >::value && \
26 ::boost::is_fundamental< Rhs_nocv >::value\
27 ) || \
28 /* Rhs==void* and Lhs==fundamental */\
29 (\
30 ::boost::is_pointer< Rhs_noref >::value && \
31 ::boost::is_void< Rhs_noptr >::value && \
32 ::boost::is_fundamental< Lhs_nocv >::value\
33 ) || \
34 /* Lhs=fundamental and Rhs=pointer */\
35 (\
36 ::boost::is_fundamental< Lhs_nocv >::value && \
37 ::boost::is_pointer< Rhs_noref >::value\
38 ) || \
39 /* Lhs==pointer and Rhs==pointer */\
40 (\
41 ::boost::is_pointer< Lhs_noref >::value && \
42 ::boost::is_pointer< Rhs_noref >::value\
43 ) || \
44 /* (Lhs==fundamental or Lhs==pointer) and (Rhs==fundamental or Rhs==pointer) and (Lhs==const) */\
45 (\
46 (\
47 ::boost::is_fundamental< Lhs_nocv >::value || \
48 ::boost::is_pointer< Lhs_noref >::value\
49 ) && \
50 (\
51 ::boost::is_fundamental< Rhs_nocv >::value || \
52 ::boost::is_pointer< Rhs_noref >::value\
53 ) && \
54 ::boost::is_const< Lhs_noref >::value\
55 )\
56 )
57
58
59#include <boost/type_traits/detail/has_binary_operator.hpp>
60
61#undef BOOST_TT_TRAIT_NAME
62#undef BOOST_TT_TRAIT_OP
63#undef BOOST_TT_FORBIDDEN_IF
64
65#endif
66