]>
Commit | Line | Data |
---|---|---|
1 | ||
2 | #ifndef BOOST_MPL_STABLE_PARTITION_HPP_INCLUDED | |
3 | #define BOOST_MPL_STABLE_PARTITION_HPP_INCLUDED | |
4 | ||
5 | // Copyright Eric Friedman 2002-2003 | |
6 | // Copyright Aleksey Gurtovoy 2004 | |
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/fold.hpp> | |
19 | #include <boost/mpl/reverse_fold.hpp> | |
20 | #include <boost/mpl/protect.hpp> | |
21 | #include <boost/mpl/aux_/partition_op.hpp> | |
22 | #include <boost/mpl/aux_/inserter_algorithm.hpp> | |
23 | #include <boost/mpl/aux_/na.hpp> | |
24 | ||
25 | namespace boost { namespace mpl { | |
26 | ||
27 | namespace aux { | |
28 | ||
29 | template < | |
30 | typename Sequence | |
31 | , typename Pred | |
32 | , typename In | |
33 | , typename In2 | |
34 | , typename In1 = typename if_na<In,In2>::type | |
35 | > | |
36 | struct stable_partition_impl | |
37 | : fold< | |
38 | Sequence | |
39 | , pair< typename In1::state, typename In2::state > | |
40 | , protect< partition_op< | |
41 | Pred | |
42 | , typename In1::operation | |
43 | , typename In2::operation | |
44 | > > | |
45 | > | |
46 | { | |
47 | }; | |
48 | ||
49 | template < | |
50 | typename Sequence | |
51 | , typename Pred | |
52 | , typename In | |
53 | , typename In2 | |
54 | , typename In1 = typename if_na<In,In2>::type | |
55 | > | |
56 | struct reverse_stable_partition_impl | |
57 | : reverse_fold< | |
58 | Sequence | |
59 | , pair< typename In1::state, typename In2::state > | |
60 | , protect< partition_op< | |
61 | Pred | |
62 | , typename In1::operation | |
63 | , typename In2::operation | |
64 | > > | |
65 | > | |
66 | { | |
67 | }; | |
68 | ||
69 | } // namespace aux | |
70 | ||
71 | BOOST_MPL_AUX_INSERTER_ALGORITHM_DEF(4, stable_partition) | |
72 | ||
73 | }} | |
74 | ||
75 | #endif // BOOST_MPL_STABLE_PARTITION_HPP_INCLUDED |