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_PLUS_ASSIGN_HPP_INCLUDED
10#define BOOST_TT_HAS_PLUS_ASSIGN_HPP_INCLUDED
11
12#define BOOST_TT_TRAIT_NAME has_plus_assign
13#define BOOST_TT_TRAIT_OP +=
14#define BOOST_TT_FORBIDDEN_IF\
15 (\
16 /* Lhs==pointer and Rhs==pointer */\
17 (\
18 ::boost::is_pointer< Lhs_noref >::value && \
19 ::boost::is_pointer< Rhs_noref >::value\
20 ) || \
21 /* Lhs==void* and Rhs==fundamental */\
22 (\
23 ::boost::is_pointer< Lhs_noref >::value && \
24 ::boost::is_void< Lhs_noptr >::value && \
25 ::boost::is_fundamental< Rhs_nocv >::value\
26 ) || \
27 /* Rhs==void* and Lhs==fundamental */\
28 (\
29 ::boost::is_pointer< Rhs_noref >::value && \
30 ::boost::is_void< Rhs_noptr >::value && \
31 ::boost::is_fundamental< Lhs_nocv >::value\
32 ) || \
33 /* Lhs==pointer and Rhs==fundamental and Rhs!=integral */\
34 (\
35 ::boost::is_pointer< Lhs_noref >::value && \
36 ::boost::is_fundamental< Rhs_nocv >::value && \
37 (! ::boost::is_integral< Rhs_noref >::value )\
38 ) || \
39 /* Rhs==pointer and Lhs==fundamental and Lhs!=bool */\
40 (\
41 ::boost::is_pointer< Rhs_noref >::value && \
42 ::boost::is_fundamental< Lhs_nocv >::value && \
43 (! ::boost::is_same< Lhs_nocv, bool >::value )\
44 ) || \
45 /* (Lhs==fundamental or Lhs==pointer) and (Rhs==fundamental or Rhs==pointer) and (Lhs==const) */\
46 (\
47 (\
48 ::boost::is_fundamental< Lhs_nocv >::value || \
49 ::boost::is_pointer< Lhs_noref >::value\
50 ) && \
51 ( \
52 ::boost::is_fundamental< Rhs_nocv >::value || \
53 ::boost::is_pointer< Rhs_noref >::value\
54 ) && \
55 ::boost::is_const< Lhs_noref >::value\
56 )\
57 )
58
59
60#include <boost/type_traits/detail/has_binary_operator.hpp>
61
62#undef BOOST_TT_TRAIT_NAME
63#undef BOOST_TT_TRAIT_OP
64#undef BOOST_TT_FORBIDDEN_IF
65
66#endif
67

source code of boost/boost/type_traits/has_plus_assign.hpp