ObjFW  Diff

{
	self = [self init];

	@try {
		void *pool = objc_autoreleasePoolPush();

		if ([set isKindOfClass: [OFCountedSet class]]) {
			OFCountedSet *countedSet = (OFCountedSet *)countedSet;
			OFCountedSet *countedSet = (OFCountedSet *)set;

			for (id object in countedSet) {
				size_t count =
				    [countedSet countForObject: object];

				for (size_t i = 0; i < count; i++)
					[self addObject: object];