example_traits.h

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/*
 *  Copyright (C) 2012 Josh Bialkowski (jbialk@mit.edu)
 *
 *  This file is part of mpblocks.
 *
 *  mpblocks is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  mpblocks is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with mpblocks.  If not, see <http://www.gnu.org/licenses/>.
 */
#ifndef MPBLOCKS_RED_BLACK_EXAMPLETRAITS_H_
#define MPBLOCKS_RED_BLACK_EXAMPLETRAITS_H_

#include <mpblocks/redblack/color.h>
#include <mpblocks/redblack/node.h>
#include <utility>

namespace mpblocks {
namespace redblack {

struct ExampleTraits {
  typedef double Key;

  typedef BasicNode<ExampleTraits> Node;

  typedef Node* NodeRef;

  struct NodeOps {
    Color&      color( NodeRef N ){ return N->color; }

    NodeRef&   parent( NodeRef N ){ return N->parent; }

    NodeRef&     left( NodeRef N ){ return N->left; }

    NodeRef&    right( NodeRef N ){ return N->right; }

    Key&          key( NodeRef N ){ return N->key; }

    void swapKey(NodeRef a, NodeRef b) { std::swap(a->key, b->key); }
};
};

} //< namespace redblack
} //< namespace mpblocks

#endif  // MPBLOCKS_RED_BLACK_EXAMPLETRAITS_H_