summaryrefslogtreecommitdiffstats
blob: 4a9655b0400ede6f79368ef645716e1ab6ba13c4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49

#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: next_prior.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $
// $Revision: 49267 $

#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