ObjFW  Diff

- (id)lastObject
{
	id *last = [array lastItem];

	return (last != NULL ? *last : nil);
}

- (OFArray*)objectsFromIndex: (size_t)start
		     toIndex: (size_t)end
{
	size_t count = [array count];

	if (end > count || start > end)
		@throw [OFOutOfRangeException newWithClass: isa];

	return [OFArray arrayWithCArray: (id*)[array cArray] + start
				 length: end - start];
}

- (OFString*)componentsJoinedByString: (OFString*)separator
{
	OFString *str;
	OFString **objs = [array cArray];
	size_t i, count = [array count];
	Class cls;