> On Nov 10, 2017, at 5:07 AM, Tino Heth <2...@gmx.de> wrote: > > A: Well, it does a mapping, and then applies a filter to get rid of nils,
I prefer to think of it this way: it does a mapping, and keeps the results where the closure did not return nil. In the example given earlier, the closure returned Optional<Int?>.some(nil), which is not “nil”. -BJ _______________________________________________ swift-evolution mailing list swift-evolution@swift.org https://lists.swift.org/mailman/listinfo/swift-evolution
