| |
| #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 |
