
public:
Borrow( person* _p, book* _b ) { _b = b; _p = p; }
void operator()() {
require( _b && _p ); // _b and _p exist
_b->borrow(p);
_p->allocate(b);
}
private:
person* _p; book* _b;
};
public:
Borrow( person* _p, book* _b ) { _b = b; _p = p; }
void operator()() {
require( _b && _p ); // _b and _p exist
_b->borrow(p);
_p->allocate(b);
}
private:
person* _p; book* _b;
};