#ifndef BOOST_MPL_SAME_AS_HPP_INCLUDED #define BOOST_MPL_SAME_AS_HPP_INCLUDED // Copyright Aleksey Gurtovoy 2000-2004 // // Distributed under 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/mpl for documentation. // $Id: same_as.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $ // $Revision: 49267 $ #include <boost/mpl/not.hpp> #include <boost/mpl/aux_/lambda_spec.hpp> #include <boost/mpl/aux_/config/forwarding.hpp> #include <boost/type_traits/is_same.hpp> namespace boost { namespace mpl { template< typename T1 > struct same_as { template< typename T2 > struct apply #if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING) : is_same<T1,T2> { #else { typedef typename is_same<T1,T2>::type type; #endif }; }; template< typename T1 > struct not_same_as { template< typename T2 > struct apply #if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING) : not_< is_same<T1,T2> > { #else { typedef typename not_< is_same<T1,T2> >::type type; #endif }; }; }} #endif // BOOST_MPL_SAME_AS_HPP_INCLUDED