| 1 | // (C) Copyright 2009-2011 Frederic Bron. |
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| 2 | // |
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| 3 | // Use, modification and distribution are subject to the Boost Software License, |
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| 4 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
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| 5 | // http://www.boost.org/LICENSE_1_0.txt). |
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| 6 | // |
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| 7 | // See http://www.boost.org/libs/type_traits for most recent version including documentation. |
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| 8 | |
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| 9 | #ifndef BOOST_TT_HAS_MINUS_ASSIGN_HPP_INCLUDED |
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| 10 | #define BOOST_TT_HAS_MINUS_ASSIGN_HPP_INCLUDED |
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| 11 | |
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| 12 | #define BOOST_TT_TRAIT_NAME has_minus_assign |
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| 13 | #define BOOST_TT_TRAIT_OP -= |
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| 14 | #define BOOST_TT_FORBIDDEN_IF\ |
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| 15 | (\ |
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| 16 | /* Lhs==pointer and Rhs==fundamental and Rhs!=integral */\ |
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| 17 | (\ |
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| 18 | ::boost::is_pointer< Lhs_noref >::value && \ |
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| 19 | ::boost::is_fundamental< Rhs_nocv >::value && \ |
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| 20 | (! ::boost::is_integral< Rhs_noref >::value )\ |
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| 21 | ) || \ |
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| 22 | /* Lhs==void* and Rhs==fundamental */\ |
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| 23 | (\ |
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| 24 | ::boost::is_pointer< Lhs_noref >::value && \ |
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| 25 | ::boost::is_void< Lhs_noptr >::value && \ |
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| 26 | ::boost::is_fundamental< Rhs_nocv >::value\ |
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| 27 | ) || \ |
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| 28 | /* Rhs==void* and Lhs==fundamental */\ |
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| 29 | (\ |
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| 30 | ::boost::is_pointer< Rhs_noref >::value && \ |
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| 31 | ::boost::is_void< Rhs_noptr >::value && \ |
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| 32 | ::boost::is_fundamental< Lhs_nocv >::value\ |
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| 33 | ) || \ |
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| 34 | /* Lhs=fundamental and Rhs=pointer */\ |
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| 35 | (\ |
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| 36 | ::boost::is_fundamental< Lhs_nocv >::value && \ |
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| 37 | ::boost::is_pointer< Rhs_noref >::value\ |
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| 38 | ) || \ |
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| 39 | /* Lhs==pointer and Rhs==pointer */\ |
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| 40 | (\ |
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| 41 | ::boost::is_pointer< Lhs_noref >::value && \ |
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| 42 | ::boost::is_pointer< Rhs_noref >::value\ |
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| 43 | ) || \ |
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| 44 | /* (Lhs==fundamental or Lhs==pointer) and (Rhs==fundamental or Rhs==pointer) and (Lhs==const) */\ |
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| 45 | (\ |
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| 46 | (\ |
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| 47 | ::boost::is_fundamental< Lhs_nocv >::value || \ |
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| 48 | ::boost::is_pointer< Lhs_noref >::value\ |
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| 49 | ) && \ |
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| 50 | (\ |
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| 51 | ::boost::is_fundamental< Rhs_nocv >::value || \ |
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| 52 | ::boost::is_pointer< Rhs_noref >::value\ |
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| 53 | ) && \ |
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| 54 | ::boost::is_const< Lhs_noref >::value\ |
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| 55 | )\ |
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| 56 | ) |
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| 57 | |
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| 58 | |
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| 59 | #include <boost/type_traits/detail/has_binary_operator.hpp> |
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| 60 | |
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| 61 | #undef BOOST_TT_TRAIT_NAME |
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| 62 | #undef BOOST_TT_TRAIT_OP |
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| 63 | #undef BOOST_TT_FORBIDDEN_IF |
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| 64 | |
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| 65 | #endif |
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| 66 | |
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