type - David Vernon

Object-Oriented Programming
Polymorphism and Reusability
class line: public element {
public:
line (point &P, point &Q, element *ptr);
void print() const;
private:
point A, B;
};
class circle: public element {
public:
circle (point &center, float radius, element *ptr);
void print() const;
private:
point C;
float r;
};
void pr(const point &P, const char *str=“, “);
Copyright © 2007 David Vernon (www.vernon.eu)