1 | |
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2 | // (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes, |
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3 | // Howard Hinnant and John Maddock 2000, 2010. |
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4 | // (C) Copyright Mat Marcus, Jesse Jones and Adobe Systems Inc 2001 |
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5 | |
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6 | // Use, modification and distribution are subject to the Boost Software License, |
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7 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
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8 | // http://www.boost.org/LICENSE_1_0.txt). |
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9 | // |
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10 | // See http://www.boost.org/libs/type_traits for most recent version including documentation. |
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11 | |
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12 | #ifndef BOOST_TT_IS_REFERENCE_HPP_INCLUDED |
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13 | #define BOOST_TT_IS_REFERENCE_HPP_INCLUDED |
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14 | |
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15 | #include <boost/type_traits/config.hpp> |
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16 | #include <boost/type_traits/is_lvalue_reference.hpp> |
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17 | #include <boost/type_traits/is_rvalue_reference.hpp> |
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18 | #include <boost/type_traits/ice.hpp> |
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19 | |
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20 | // should be the last #include |
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21 | #include <boost/type_traits/detail/bool_trait_def.hpp> |
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22 | |
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23 | namespace boost { |
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24 | |
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25 | namespace detail { |
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26 | |
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27 | template <typename T> |
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28 | struct is_reference_impl |
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29 | { |
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30 | BOOST_STATIC_CONSTANT(bool, value = |
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31 | (::boost::type_traits::ice_or< |
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32 | ::boost::is_lvalue_reference<T>::value, ::boost::is_rvalue_reference<T>::value |
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33 | >::value)); |
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34 | }; |
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35 | |
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36 | } // namespace detail |
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37 | |
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38 | BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_reference,T,::boost::detail::is_reference_impl<T>::value) |
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39 | |
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40 | } // namespace boost |
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41 | |
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42 | #include <boost/type_traits/detail/bool_trait_undef.hpp> |
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43 | |
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44 | #endif // BOOST_TT_IS_REFERENCE_HPP_INCLUDED |
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45 | |
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