williamr@2: 
williamr@2: #ifndef BOOST_MPL_SAME_AS_HPP_INCLUDED
williamr@2: #define BOOST_MPL_SAME_AS_HPP_INCLUDED
williamr@2: 
williamr@2: // Copyright Aleksey Gurtovoy 2000-2004
williamr@2: //
williamr@2: // Distributed under the Boost Software License, Version 1.0. 
williamr@2: // (See accompanying file LICENSE_1_0.txt or copy at 
williamr@2: // http://www.boost.org/LICENSE_1_0.txt)
williamr@2: //
williamr@2: // See http://www.boost.org/libs/mpl for documentation.
williamr@2: 
williamr@2: // $Source: /cvsroot/boost/boost/boost/mpl/same_as.hpp,v $
williamr@2: // $Date: 2004/09/02 15:40:42 $
williamr@2: // $Revision: 1.6 $
williamr@2: 
williamr@2: #include <boost/mpl/not.hpp>
williamr@2: #include <boost/mpl/aux_/lambda_spec.hpp>
williamr@2: #include <boost/mpl/aux_/config/forwarding.hpp>
williamr@2: 
williamr@2: #include <boost/type_traits/is_same.hpp>
williamr@2: 
williamr@2: namespace boost { namespace mpl {
williamr@2: 
williamr@2: template< typename T1 >
williamr@2: struct same_as
williamr@2: {
williamr@2:     template< typename T2 > struct apply
williamr@2: #if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING)
williamr@2:         : is_same<T1,T2>
williamr@2:     {
williamr@2: #else
williamr@2:     {
williamr@2:         typedef typename is_same<T1,T2>::type type;
williamr@2: #endif
williamr@2:     };
williamr@2: };
williamr@2: 
williamr@2: template< typename T1 >
williamr@2: struct not_same_as
williamr@2: {
williamr@2:     template< typename T2 > struct apply
williamr@2: #if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING)
williamr@2:         : not_< is_same<T1,T2> >
williamr@2:     {
williamr@2: #else
williamr@2:     {
williamr@2:         typedef typename not_< is_same<T1,T2> >::type type;
williamr@2: #endif
williamr@2:     };
williamr@2: };
williamr@2: 
williamr@2: }}
williamr@2: 
williamr@2: #endif // BOOST_MPL_SAME_AS_HPP_INCLUDED