46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
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// (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes,
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// Howard Hinnant and John Maddock 2000, 2010.
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// (C) Copyright Mat Marcus, Jesse Jones and Adobe Systems Inc 2001
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// Use, modification and distribution are subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt).
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//
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// See http://www.boost.org/libs/type_traits for most recent version including documentation.
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#ifndef BOOST_TT_IS_REFERENCE_HPP_INCLUDED
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#define BOOST_TT_IS_REFERENCE_HPP_INCLUDED
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#include <boost/type_traits/config.hpp>
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#include <boost/type_traits/is_lvalue_reference.hpp>
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#include <boost/type_traits/is_rvalue_reference.hpp>
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#include <boost/type_traits/ice.hpp>
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// should be the last #include
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#include <boost/type_traits/detail/bool_trait_def.hpp>
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namespace boost {
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namespace detail {
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template <typename T>
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struct is_reference_impl
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{
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BOOST_STATIC_CONSTANT(bool, value =
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(::boost::type_traits::ice_or<
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::boost::is_lvalue_reference<T>::value, ::boost::is_rvalue_reference<T>::value
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>::value));
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};
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} // namespace detail
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BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_reference,T,::boost::detail::is_reference_impl<T>::value)
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} // namespace boost
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#include <boost/type_traits/detail/bool_trait_undef.hpp>
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#endif // BOOST_TT_IS_REFERENCE_HPP_INCLUDED
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