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

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