Doesn't Optional.None allready a placeholder for null values in swift? I read some where that nil was the new way to represent null pointer in swift.
-- J. Charles > Le 24 juin 2016 à 00:59, Michael Peternell via swift-evolution > <swift-evolution@swift.org> a écrit : > > I think NSNull() should be used, not a struct. I don't think that a struct > would be more performant. Or maybe the performance doesn't matter at all in > any real-world usage scenario. But you may write a benchmark of a realistic > (!) use-case (!) if you think otherwise... would be interesting to see the > results. > > Keeping with NSNull() also simplifies objc-interoperability. > > -Michael > >> Am 23.06.2016 um 06:14 schrieb Alsey Miller via swift-evolution >> <swift-evolution@swift.org>: >> >> Add a struct Null to the Swift 3.0 Foundation value types. As a struct, Null >> is more performant (no ARC or memory allocation) than NSNull, and will be >> needed for Swift JSON decoders and libraries that want to use struct value >> types, and be free from classes for their model layer. >> >> >> Coleman, >> >> >> >> >> >> _______________________________________________ >> 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 _______________________________________________ swift-evolution mailing list swift-evolution@swift.org https://lists.swift.org/mailman/listinfo/swift-evolution