class cPointsIterator {
public:
  TPoint Current() { return TPoint(0,0); }
  operator int() { return 0; }
  operator ++(int )  { return 0; }
  TPoint operator *() { return TPoint(0,0); }
};

class cPoints {
public:
  void push_back(TPoint &p) {};
  cPointsIterator begin() { return cPointsIterator(); }
  cPointsIterator end() { return cPointsIterator(); }
  void erase(cPointsIterator,cPointsIterator) {}
};