_ release];  [super dealloc]; }  -(id) copyWithZone: (NSZone*) zone {  CCActionInstant *copy = [[[self class] allocWithZone: zone] initWithTarget:targetCallback_ selector:selector_];  return copy; }  -(void) update:(ccTime)time {  [self execute]; }  -(void) execute {  [targetCallback_ performSelector:selector_