1 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 5 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). 9 // 10 // See http://www.boost.org/libs/type_traits for most recent version including documentation. 11 12 #ifndef BOOST_TT_IS_REFERENCE_HPP_INCLUDED 13 #define BOOST_TT_IS_REFERENCE_HPP_INCLUDED 14 15 #include <boost/type_traits/is_lvalue_reference.hpp> 16 #include <boost/type_traits/is_rvalue_reference.hpp> 17 18 namespace boost { 19 20 template <class T> struct is_reference 21 : public 22 integral_constant< 23 bool, 24 ::boost::is_lvalue_reference<T>::value || ::boost::is_rvalue_reference<T>::value> 25 {}; 26 27 } // namespace boost 28 29 #endif // BOOST_TT_IS_REFERENCE_HPP_INCLUDED 30 31