75 lines
1.7 KiB
C++
75 lines
1.7 KiB
C++
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#ifndef BOOST_MPL_STABLE_PARTITION_HPP_INCLUDED
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#define BOOST_MPL_STABLE_PARTITION_HPP_INCLUDED
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// Copyright Eric Friedman 2002-2003
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// Copyright Aleksey Gurtovoy 2004
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/mpl for documentation.
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// $Id$
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// $Date$
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// $Revision$
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#include <boost/mpl/fold.hpp>
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#include <boost/mpl/reverse_fold.hpp>
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#include <boost/mpl/protect.hpp>
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#include <boost/mpl/aux_/partition_op.hpp>
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#include <boost/mpl/aux_/inserter_algorithm.hpp>
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#include <boost/mpl/aux_/na.hpp>
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namespace boost { namespace mpl {
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namespace aux {
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template <
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typename Sequence
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, typename Pred
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, typename In
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, typename In2
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, typename In1 = typename if_na<In,In2>::type
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>
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struct stable_partition_impl
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: fold<
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Sequence
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, pair< typename In1::state, typename In2::state >
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, protect< partition_op<
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Pred
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, typename In1::operation
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, typename In2::operation
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> >
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>
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{
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};
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template <
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typename Sequence
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, typename Pred
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, typename In
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, typename In2
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, typename In1 = typename if_na<In,In2>::type
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>
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struct reverse_stable_partition_impl
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: reverse_fold<
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Sequence
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, pair< typename In1::state, typename In2::state >
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, protect< partition_op<
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Pred
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, typename In1::operation
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, typename In2::operation
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> >
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>
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{
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};
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} // namespace aux
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BOOST_MPL_AUX_INSERTER_ALGORITHM_DEF(4, stable_partition)
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}}
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#endif // BOOST_MPL_STABLE_PARTITION_HPP_INCLUDED
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