ObjFW  Diff

}

- mutableCopy
{
	return [[OFMutableArray alloc] initWithArray: self];
}

- (id)objectAtIndex: (size_t)index
{
	OF_UNRECOGNIZED_SELECTOR
}

- (id)objectAtIndexedSubscript: (size_t)index
{
	return [self objectAtIndex: index];
}

- (id)valueForKey: (OFString *)key
{
	id ret;

	if ([key hasPrefix: @"@"]) {

{
	OFArray *ret;
	size_t count = [self count];
	id *tmp = [self allocMemoryWithSize: sizeof(id)
				      count: count];

	@try {
		[self enumerateObjectsUsingBlock: ^ (id object, size_t index,
		    bool *stop) {
			tmp[index] = block(object, index);
		}];

		ret = [OFArray arrayWithObjects: tmp
					  count: count];
	} @finally {
		[self freeMemory: tmp];
	}

	size_t count = [self count];
	id *tmp = [self allocMemoryWithSize: sizeof(id)
				      count: count];

	@try {
		__block size_t i = 0;

		[self enumerateObjectsUsingBlock: ^ (id object, size_t index,
		    bool *stop) {
			if (block(object, index))
				tmp[i++] = object;
		}];

		ret = [OFArray arrayWithObjects: tmp
					  count: i];
	} @finally {
		[self freeMemory: tmp];

	__block id current;

	if (count == 0)
		return nil;
	if (count == 1)
		return [[[self firstObject] retain] autorelease];

	[self enumerateObjectsUsingBlock: ^ (id object, size_t index,
	    bool *stop) {
		id new;

		if (index == 0) {
			current = [object retain];
			return;
		}

		@try {
			new = [block(current, object) retain];
		} @finally {