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| 2 | #ifndef BOOST_MPL_STABLE_PARTITION_HPP_INCLUDED |
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| 3 | #define BOOST_MPL_STABLE_PARTITION_HPP_INCLUDED |
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| 4 | |
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| 5 | // Copyright Eric Friedman 2002-2003 |
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| 6 | // Copyright Aleksey Gurtovoy 2004 |
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| 7 | // |
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| 8 | // Distributed under the Boost Software License, Version 1.0. |
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| 9 | // (See accompanying file LICENSE_1_0.txt or copy at |
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| 10 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 11 | // |
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| 12 | // See http://www.boost.org/libs/mpl for documentation. |
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| 13 | |
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| 14 | // $Source: /cvsroot/boost/boost/boost/mpl/stable_partition.hpp,v $ |
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| 15 | // $Date: 2004/11/28 01:58:27 $ |
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| 16 | // $Revision: 1.4 $ |
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| 17 | |
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| 18 | #include <boost/mpl/fold.hpp> |
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| 19 | #include <boost/mpl/reverse_fold.hpp> |
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| 20 | #include <boost/mpl/protect.hpp> |
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| 21 | #include <boost/mpl/aux_/partition_op.hpp> |
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| 22 | #include <boost/mpl/aux_/inserter_algorithm.hpp> |
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| 23 | #include <boost/mpl/aux_/na.hpp> |
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| 24 | |
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| 25 | namespace boost { namespace mpl { |
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| 26 | |
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| 27 | namespace aux { |
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| 28 | |
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| 29 | template < |
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| 30 | typename Sequence |
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| 31 | , typename Pred |
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| 32 | , typename In |
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| 33 | , typename In2 |
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| 34 | , typename In1 = typename if_na<In,In2>::type |
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| 35 | > |
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| 36 | struct stable_partition_impl |
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| 37 | : fold< |
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| 38 | Sequence |
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| 39 | , pair< typename In1::state, typename In2::state > |
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| 40 | , protect< partition_op< |
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| 41 | Pred |
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| 42 | , typename In1::operation |
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| 43 | , typename In2::operation |
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| 44 | > > |
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| 45 | > |
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| 46 | { |
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| 47 | }; |
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| 48 | |
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| 49 | template < |
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| 50 | typename Sequence |
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| 51 | , typename Pred |
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| 52 | , typename In |
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| 53 | , typename In2 |
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| 54 | , typename In1 = typename if_na<In,In2>::type |
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| 55 | > |
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| 56 | struct reverse_stable_partition_impl |
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| 57 | : reverse_fold< |
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| 58 | Sequence |
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| 59 | , pair< typename In1::state, typename In2::state > |
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| 60 | , protect< partition_op< |
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| 61 | Pred |
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| 62 | , typename In1::operation |
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| 63 | , typename In2::operation |
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| 64 | > > |
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| 65 | > |
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| 66 | { |
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| 67 | }; |
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| 68 | |
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| 69 | } // namespace aux |
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| 70 | |
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| 71 | BOOST_MPL_AUX_INSERTER_ALGORITHM_DEF(4, stable_partition) |
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| 72 | |
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| 73 | }} |
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| 74 | |
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| 75 | #endif // BOOST_MPL_STABLE_PARTITION_HPP_INCLUDED |
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