#include <iostream>;
#include "Point.h";
#include "ColorPoint.h";
#include "output.h";

ostream & operator<<(ostream & out, const Point & p) {
  p.print(out);
  return out;      // why?  so that we can cascade <<
}

ostream & operator<<(ostream & out, const ColorPoint & cp) {
  cp.print(out);
  return out;      
}