2 #ifndef BOOST_MPL_NEXT_PRIOR_HPP_INCLUDED
3 #define BOOST_MPL_NEXT_PRIOR_HPP_INCLUDED
5 // Copyright Aleksey Gurtovoy 2000-2004
7 // Distributed under the Boost Software License, Version 1.0.
8 // (See accompanying file LICENSE_1_0.txt or copy at
9 // http://www.boost.org/LICENSE_1_0.txt)
11 // See http://www.boost.org/libs/mpl for documentation.
13 // $Id: next_prior.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
14 // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $
17 #include <boost/mpl/aux_/common_name_wknd.hpp>
18 #include <boost/mpl/aux_/na_spec.hpp>
19 #include <boost/mpl/aux_/lambda_support.hpp>
21 namespace boost { namespace mpl {
23 BOOST_MPL_AUX_COMMON_NAME_WKND(next)
24 BOOST_MPL_AUX_COMMON_NAME_WKND(prior)
27 typename BOOST_MPL_AUX_NA_PARAM(T)
31 typedef typename T::next type;
32 BOOST_MPL_AUX_LAMBDA_SUPPORT(1,next,(T))
36 typename BOOST_MPL_AUX_NA_PARAM(T)
40 typedef typename T::prior type;
41 BOOST_MPL_AUX_LAMBDA_SUPPORT(1,prior,(T))
44 BOOST_MPL_AUX_NA_SPEC(1, next)
45 BOOST_MPL_AUX_NA_SPEC(1, prior)
49 #endif // BOOST_MPL_NEXT_PRIOR_HPP_INCLUDED