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[/] [altor32/] [trunk/] [gcc-x64/] [or1knd-elf/] [or1knd-elf/] [include/] [c++/] [4.8.0/] [ext/] [pb_ds/] [detail/] [list_update_policy/] [sample_update_policy.hpp] - Blame information for rev 35

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1 35 ultra_embe
// -*- C++ -*-
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// Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library.  This library is free
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// software; you can redistribute it and/or modify it under the terms
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// of the GNU General Public License as published by the Free Software
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// Foundation; either version 3, or (at your option) any later
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// version.
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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// General Public License for more details.
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
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// <http://www.gnu.org/licenses/>.
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// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
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// Permission to use, copy, modify, sell, and distribute this software
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// is hereby granted without fee, provided that the above copyright
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// notice appears in all copies, and that both that copyright notice
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// and this permission notice appear in supporting documentation. None
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// of the above authors, nor IBM Haifa Research Laboratories, make any
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// representation about the suitability of this software for any
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// purpose. It is provided "as is" without express or implied
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// warranty.
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/**
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 * @file sample_update_policy.hpp
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 * Contains a sample policy for list update containers.
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 */
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#ifndef PB_DS_SAMPLE_UPDATE_POLICY_HPP
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#define PB_DS_SAMPLE_UPDATE_POLICY_HPP
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namespace __gnu_pbds
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{
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  /// A sample list-update policy.
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  struct sample_update_policy
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  {
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    /// Default constructor.
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    sample_update_policy();
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    /// Copy constructor.
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    sample_update_policy(const sample_update_policy&);
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    /// Swaps content.
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    inline void
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    swap(sample_update_policy& other);
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  protected:
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    /// Metadata on which this functor operates.
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    typedef some_metadata_type metadata_type;
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    /// Creates a metadata object.
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    metadata_type
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    operator()() const;
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    /// Decides whether a metadata object should be moved to the front
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    /// of the list. A list-update based containers object will call
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    /// this method to decide whether to move a node to the front of
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    /// the list. The method shoule return true if the node should be
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    /// moved to the front of the list.
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    bool
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    operator()(metadata_reference) const;
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  };
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}
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#endif

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