Iterator.hpp

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#ifndef Iterator_H
#define Iterator_H

namespace OA {

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

} // end OA namespace

#endif