2 // (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes,
3 // Howard Hinnant and John Maddock 2000, 2010.
4 // (C) Copyright Mat Marcus, Jesse Jones and Adobe Systems Inc 2001
6 // Use, modification and distribution are subject to the Boost Software License,
7 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
8 // http://www.boost.org/LICENSE_1_0.txt).
10 // See http://www.boost.org/libs/type_traits for most recent version including documentation.
12 #ifndef BOOST_TT_IS_REFERENCE_HPP_INCLUDED
13 #define BOOST_TT_IS_REFERENCE_HPP_INCLUDED
15 #include <boost/type_traits/config.hpp>
16 #include <boost/type_traits/is_lvalue_reference.hpp>
17 #include <boost/type_traits/is_rvalue_reference.hpp>
18 #include <boost/type_traits/ice.hpp>
20 // should be the last #include
21 #include <boost/type_traits/detail/bool_trait_def.hpp>
28 struct is_reference_impl
30 BOOST_STATIC_CONSTANT(bool, value =
31 (::boost::type_traits::ice_or<
32 ::boost::is_lvalue_reference<T>::value, ::boost::is_rvalue_reference<T>::value
38 BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_reference,T,::boost::detail::is_reference_impl<T>::value)
42 #include <boost/type_traits/detail/bool_trait_undef.hpp>
44 #endif // BOOST_TT_IS_REFERENCE_HPP_INCLUDED