ObjFW  Diff

{
	id object = [self objectAtIndex: [array count] - 1];
	[array removeLastItem];
	[object release];

	mutations++;
}

- (void)swapObjectAtIndex: (size_t)index1
	withObjectAtIndex: (size_t)index2
{
	id *cArray = [array cArray];
	size_t count = [array count];
	id tmp;

	if (index1 >= count || index2 >= count)
		@throw [OFOutOfRangeException exceptionWithClass: isa];

	tmp = cArray[index1];
	cArray[index1] = cArray[index2];
	cArray[index2] = tmp;
}

- (void)reverse
{
	id *cArray = [array cArray];
	size_t i, j, count = [array count];

	if (count == 0 || count == 1)
		return;

	for (i = 0, j = count - 1; i < j; i++, j--) {
		id tmp = cArray[i];
		cArray[i] = cArray[j];
		cArray[j] = tmp;
	}
}

- (int)countByEnumeratingWithState: (of_fast_enumeration_state_t*)state
			   objects: (id*)objects
			     count: (int)count
{
	/*
	 * Super means the implementation from OFArray here, as OFMutableArray