| |
| #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. |
| |
| // $Id$ |
| // $Date$ |
| // $Revision$ |
| |
| #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 |