ObjFW  Diff

- (OFArray*)arrayByAddingObjectsFromArray: (OFArray*)array
{
	OFMutableArray *ret = [[self mutableCopy] autorelease];

	[ret addObjectsFromArray: array];
	[ret makeImmutable];

	return ret;
}

- (OFArray*)arrayByRemovingObject: (id)object
{
	OFMutableArray *ret = [[self mutableCopy] autorelease];

	[ret removeObject: object];
	[ret makeImmutable];

	return ret;
}

#ifdef OF_HAVE_BLOCKS
- (OFArray*)mappedArrayUsingBlock: (of_array_map_block_t)block
{
	OFArray *ret;