ObjFW  Diff

	size_t count;

	if (oldObject == nil || newObject == nil)
		@throw [OFInvalidArgumentException exception];

	count = self.count;

	for (size_t i = 0; i < count; i++) {
		if ([self objectAtIndex: i] == oldObject) {
	for (size_t i = 0; i < count; i++)
		if ([self objectAtIndex: i] == oldObject)
			[self replaceObjectAtIndex: i withObject: newObject];

			return;
		}
	}
}

- (void)removeObjectAtIndex: (size_t)idx
{
	OF_UNRECOGNIZED_SELECTOR
}