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/src/contrib/boost/mpl/reverse_iter_fold.hpp

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C++ Header | 56 lines | 35 code | 10 blank | 11 comment | 0 complexity | 75b1f5ee7abda3901a77d700fda12e7f MD5 | raw file
 1
 2#ifndef BOOST_MPL_ITER_FOLD_BACKWARD_HPP_INCLUDED
 3#define BOOST_MPL_ITER_FOLD_BACKWARD_HPP_INCLUDED
 4
 5// Copyright Aleksey Gurtovoy 2001-2004
 6// Copyright Dave Abrahams 2001-2002
 7//
 8// Distributed under the Boost Software License, Version 1.0. 
 9// (See accompanying file LICENSE_1_0.txt or copy at 
10// http://www.boost.org/LICENSE_1_0.txt)
11//
12// See http://www.boost.org/libs/mpl for documentation.
13
14// $Id: reverse_iter_fold.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
15// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $
16// $Revision: 49267 $
17
18#include <boost/mpl/begin_end.hpp>
19#include <boost/mpl/O1_size.hpp>
20#include <boost/mpl/arg.hpp>
21#include <boost/mpl/lambda.hpp>
22#include <boost/mpl/aux_/reverse_iter_fold_impl.hpp>
23#include <boost/mpl/aux_/na_spec.hpp>
24#include <boost/mpl/aux_/lambda_support.hpp>
25
26namespace boost { namespace mpl {
27
28template<
29      typename BOOST_MPL_AUX_NA_PARAM(Sequence)
30    , typename BOOST_MPL_AUX_NA_PARAM(State)
31    , typename BOOST_MPL_AUX_NA_PARAM(BackwardOp)
32    , typename ForwardOp = arg<1>
33    >
34struct reverse_iter_fold
35{
36    typedef typename aux::reverse_iter_fold_impl<
37          ::boost::mpl::O1_size<Sequence>::value
38        , typename begin<Sequence>::type
39        , typename end<Sequence>::type
40        , State
41        , typename lambda<BackwardOp>::type
42        , typename lambda<ForwardOp>::type
43        >::state type;
44
45    BOOST_MPL_AUX_LAMBDA_SUPPORT(
46          4
47        , reverse_iter_fold
48        , (Sequence,State,BackwardOp,ForwardOp)
49        )
50};
51
52BOOST_MPL_AUX_NA_SPEC(3, reverse_iter_fold)
53
54}}
55
56#endif // BOOST_MPL_ITER_FOLD_BACKWARD_HPP_INCLUDED