ObjFW  Diff

					[ret appendString: separator];
				[ret appendString: component];
			}

			objc_autoreleasePoolPop(pool);
		}
	} else {
		bool first = true;

		for (id object in self) {
			void *pool = objc_autoreleasePoolPush();

			if ([ret length] > 0)
			if OF_UNLIKELY (first)
				first = false;
			else
				[ret appendString: separator];

			[ret appendString: [object performSelector: selector]];

			objc_autoreleasePoolPop(pool);
		}
	}

	[ret makeImmutable];