77 void use(A *obj) { obj->f(); }  in use()  function
113 void use(B *obj) { obj->f(); }  in use()  function
159 void use(C *obj) { obj->f(); }  in use()  function
259 void use(A *obj) { delete obj; }  in use()  function
280 void use(B *obj) { delete obj; }  in use()  function
300 void use(C *obj) { delete obj; }  in use()  function
326 void use(E *obj) { delete obj; }   in use()  function
346 void use(F *obj) { delete obj; }  in use()  function
372 void use(G *obj) { obj->g(); }  in use()  function
393 void use(H *obj) { delete obj; }  in use()  function
416 void use(A *obj) { delete obj; }  in use()  function