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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 | // $Id$ | |
15 | // $Date$ | |
16 | // $Revision$ | |
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 | ||
26 | namespace boost { namespace mpl { | |
27 | ||
28 | template< | |
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 | > | |
34 | struct 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 | ||
52 | BOOST_MPL_AUX_NA_SPEC(3, reverse_iter_fold) | |
53 | ||
54 | }} | |
55 | ||
56 | #endif // BOOST_MPL_ITER_FOLD_BACKWARD_HPP_INCLUDED |