class Stooge {
public:
 virtual Stooge* clone() = 0;
 virtual void slap_stick() = 0;
};

class Curly : public Stooge {
public:
Stooge*   clone() { return new Curly; }
void slap_stick() {
  cout << "Curly: suffer abusen"; }
};

Stooge* Factory::s_prototypes[] = {
0, new Larry, new Moe, new Curly
};
Stooge* Factory::make_stooge( int choice = 3 ) {
return s_prototypes[choice]->clone();
}