Hi Tim, If you pass "nil" to "first" isn't this an empty sequence? So it would be redundant.
Best regards Maximilian > Am 15.08.2016 um 01:27 schrieb Tim Vermeulen via swift-evolution > <swift-evolution@swift.org>: > > sequence(first:next:) takes a non-optional first argument. Is there a reason > for that? sequence(state:next:) allows empty sequences, and I don’t see why > sequence(first:next:) shouldn’t. The fix would be to simply add the `?` in > the function signature; no other changes are required to make it work. > > I considered just filing a bug report, but since this is a change of the > public API... > _______________________________________________ > swift-evolution mailing list > swift-evolution@swift.org > https://lists.swift.org/mailman/listinfo/swift-evolution _______________________________________________ swift-evolution mailing list swift-evolution@swift.org https://lists.swift.org/mailman/listinfo/swift-evolution
