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 |
57 | |