// First the general Point template class.

template<class C> class Point;
template<class C> std::ostream& operator<<(std::ostream& s, const Point<C>& p);

template<class C>class Point {
private: 
  C x, y;

public:
  Point(C, C);
  Point();
  C getx () const;
  C gety () const;
  Point<C>& move(C, C);
  double distance_to(Point);
  friend  std::ostream& operator<< <>(std::ostream&, const Point<C>&);
};

// A funny specialization for Point<char>. All details are inlined in this version.
template<>class Point <char>{
private: 
  char x, y;
public:
  Point(char c1, char c2): x(c1), y(c2) {}
  Point(): x('a'), y('z'){}
  char getx () const {return x;}
  char gety () const {return y;}
  Point<char>& move(char c1, char c2){x = c1; y = c2; return *this;}
  double distance_to(Point){return 7.0;}
  friend  std::ostream& operator<< <>(std::ostream&, const Point<char>&);
};