Program Listing for File Iterator.h

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// $Id: Iterator.h,v 1.1 2004/07/07 10:26:34 dquinlan Exp $
// -*-C++-*-
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// Best seen in 120-column wide window (or print in landscape mode).
//--------------------------------------------------------------------------------------------------------------------
// This file is part of Mint.
// Arun Chauhan (achauhan@cs.rice.edu), Dept of Computer Science, Rice University, 2001.
//--------------------------------------------------------------------------------------------------------------------

#ifndef Iterator_H
#define Iterator_H

//--------------------------------------------------------------------------------------------------------------------
class Iterator {
public:
  Iterator () {}
  virtual ~Iterator () {}
  virtual operator bool () = 0;
  virtual void operator++ () = 0;
  void operator++ (int) { operator++(); }                  // postfix, only forward iterator is defined
};
//--------------------------------------------------------------------------------------------------------------------

#endif