virtual stecoll *used_stes() const { stecoll *x = e ? e->used_stes() : new stecoll; stecoll *n = next ? next->used_stes() : new stecoll; x->append(n); return x; }
virtual stecoll *used_stes() const { // NOTE: func is ignored return (actuals ? actuals->used_stes() : new stecoll); }