ObjFW  Diff

	    range.location + range.length < self.count)
		@throw [OFOutOfRangeException exception];

	if (![self isKindOfClass: [OFMutableArray class]])
		return [OFSubarray arrayWithArray: self
					    range: range];

	buffer = [self allocMemoryWithSize: sizeof(*buffer)
				     count: range.length];
	buffer = of_malloc(range.length, sizeof(*buffer));

	@try {
		[self getObjects: buffer
			 inRange: range];

		ret = [OFArray arrayWithObjects: buffer
					  count: range.length];
	} @finally {
		[self freeMemory: buffer];
		free(buffer);
	}

	return ret;
}

- (OFString *)componentsJoinedByString: (OFString *)separator
{

}

#ifdef OF_HAVE_BLOCKS
- (OFArray *)mappedArrayUsingBlock: (of_array_map_block_t)block
{
	OFArray *ret;
	size_t count = self.count;
	id *tmp = [self allocMemoryWithSize: sizeof(id)
	id *tmp = of_malloc(count, sizeof(id));
				      count: count];

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

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

	return ret;
}

- (OFArray *)filteredArrayUsingBlock: (of_array_filter_block_t)block
{
	OFArray *ret;
	size_t count = self.count;
	id *tmp = [self allocMemoryWithSize: sizeof(id)
	id *tmp = of_malloc(count, sizeof(id));
				      count: count];

	@try {
		__block size_t i = 0;

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

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

	return ret;
}

- (id)foldUsingBlock: (of_array_fold_block_t)block
{