1 // (C) Copyright 2009-2011 Frederic Bron.
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).
7 // See http://www.boost.org/libs/type_traits for most recent version including documentation.
9 #ifndef BOOST_TT_HAS_MINUS_ASSIGN_HPP_INCLUDED
10 #define BOOST_TT_HAS_MINUS_ASSIGN_HPP_INCLUDED
12 #define BOOST_TT_TRAIT_NAME has_minus_assign
13 #define BOOST_TT_TRAIT_OP -=
14 #define BOOST_TT_FORBIDDEN_IF\
16 /* Lhs==pointer and Rhs==fundamental and Rhs!=integral */\
18 ::boost::is_pointer< Lhs_noref >::value && \
19 ::boost::is_fundamental< Rhs_nocv >::value && \
20 (! ::boost::is_integral< Rhs_noref >::value )\
22 /* Lhs==void* and Rhs==fundamental */\
24 ::boost::is_pointer< Lhs_noref >::value && \
25 ::boost::is_void< Lhs_noptr >::value && \
26 ::boost::is_fundamental< Rhs_nocv >::value\
28 /* Rhs==void* and Lhs==fundamental */\
30 ::boost::is_pointer< Rhs_noref >::value && \
31 ::boost::is_void< Rhs_noptr >::value && \
32 ::boost::is_fundamental< Lhs_nocv >::value\
34 /* Lhs=fundamental and Rhs=pointer */\
36 ::boost::is_fundamental< Lhs_nocv >::value && \
37 ::boost::is_pointer< Rhs_noref >::value\
39 /* Lhs==pointer and Rhs==pointer */\
41 ::boost::is_pointer< Lhs_noref >::value && \
42 ::boost::is_pointer< Rhs_noref >::value\
44 /* (Lhs==fundamental or Lhs==pointer) and (Rhs==fundamental or Rhs==pointer) and (Lhs==const) */\
47 ::boost::is_fundamental< Lhs_nocv >::value || \
48 ::boost::is_pointer< Lhs_noref >::value\
51 ::boost::is_fundamental< Rhs_nocv >::value || \
52 ::boost::is_pointer< Rhs_noref >::value\
54 ::boost::is_const< Lhs_noref >::value\
59 #include <boost/type_traits/detail/has_binary_operator.hpp>
61 #undef BOOST_TT_TRAIT_NAME
62 #undef BOOST_TT_TRAIT_OP
63 #undef BOOST_TT_FORBIDDEN_IF