ext-boost/boost/mpl/next_prior.hpp

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#ifndef BOOST_MPL_NEXT_PRIOR_HPP_INCLUDED
#define BOOST_MPL_NEXT_PRIOR_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/aux_/common_name_wknd.hpp>
#include <boost/mpl/aux_/na_spec.hpp>
#include <boost/mpl/aux_/lambda_support.hpp>
namespace boost { namespace mpl {
BOOST_MPL_AUX_COMMON_NAME_WKND(next)
BOOST_MPL_AUX_COMMON_NAME_WKND(prior)
template<
typename BOOST_MPL_AUX_NA_PARAM(T)
>
struct next
{
typedef typename T::next type;
BOOST_MPL_AUX_LAMBDA_SUPPORT(1,next,(T))
};
template<
typename BOOST_MPL_AUX_NA_PARAM(T)
>
struct prior
{
typedef typename T::prior type;
BOOST_MPL_AUX_LAMBDA_SUPPORT(1,prior,(T))
};
BOOST_MPL_AUX_NA_SPEC(1, next)
BOOST_MPL_AUX_NA_SPEC(1, prior)
}}
#endif // BOOST_MPL_NEXT_PRIOR_HPP_INCLUDED