#ifndef _PAIR_H_
#define _PAIR_H_

// Copyright (C) 1997-2006 C. Geuzaine, J.-F. Remacle
//
// This program 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 2 of the License, or
// (at your option) any later version.
//
// This program 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 this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
// 
// Please report all bugs and problems to <gmsh@geuz.org>.

// A pair of values, the types of which can be different
template <class L, class R>
class Pair{
 private:
  L Left;
  R Right;
 public:
  Pair() {}
  Pair( const L& left, const R& right) : Left(left), Right(right) {}
  L left() const { return Left; }
  void left(const L& left) { Left = left; }
  R right() const { return Right; }
  void right(const R& right) { Right = right; }
  L first() const { return Left; }
  R second() const { return Right; }
};

#endif