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