// expect: unlocked a b unlocked c /
// destructors 3: a value nothing holds drops at the end of its full statement; a bound guard drops at block end
include rt;
void unlock() { rt.put_s("unlocked "); }
fn main() {
	heap(0).drop = fn() { unlock(); };
	rt.put_s("a ");
	{ let guard = drop(heap(0), fn() { unlock(); }); rt.put_s("b "); }
	rt.put_s("c ");
	rt.put_c(10);
	return 0;
}
// zc0: skip