This functionality was removed via SE-0121, back in the Swift 3 timeframe. Saagar Jha
> On May 8, 2017, at 19:49, Zhao Xin <owe...@gmail.com> wrote: > > I wonder if it has ever been allowed? I am using Xcode and it never allows > that. > For you specific question, you can use > > var number:Int? > let result = (number ?? -1) > 0 ? 1 : 2 > > Zhaoxin > > On Tue, May 9, 2017 at 1:39 AM, Erica Sadun via swift-users > <swift-users@swift.org <mailto:swift-users@swift.org>> wrote: > I believe this falls under "future directions" for comparison reform. > > Here's an example of a short term solution: > https://gist.github.com/erica/77b110e17e51dbea7d6934e6582f627f > <https://gist.github.com/erica/77b110e17e51dbea7d6934e6582f627f> > > -- E, who moved this from SE to Swift Users > > >> On May 8, 2017, at 10:13 AM, Saagar Jha via swift-evolution >> <swift-evolut...@swift.org <mailto:swift-evolut...@swift.org>> wrote: >> >> Well, you’re not allowed to compare optionals any more. You can try binding >> the value to an Int, so that it’s not an optional anymore: >> >> if let number = number { >> let result = number > 0 ? 1 : 2 >> } >> >> Either way, you’ll have to decide what you think should happen when number >> is nil. >> >> Saagar Jha >> >>> On May 8, 2017, at 00:36, Suresh Kansujiya via swift-evolution >>> <swift-evolut...@swift.org <mailto:swift-evolut...@swift.org>> wrote: >>> >>> Hey, >>> >>> i am using ternary operator with optional variable. like below ex. >>> >>> var number:Int? >>> let result = number > 0 ? 1 : 2 >>> here i am getting this waring : comparison operators with optionals were >>> removed from the Swift Standard Library. Consider refactoring the code to >>> use the non-optional operators >>> >>> Note : i must need to use ternary operator for checking. >>> >>> Regards >>> Suresh Kansujiya >>> _______________________________________________ >>> swift-evolution mailing list >>> swift-evolut...@swift.org <mailto:swift-evolut...@swift.org> >>> https://lists.swift.org/mailman/listinfo/swift-evolution >>> <https://lists.swift.org/mailman/listinfo/swift-evolution> >> >> _______________________________________________ >> swift-evolution mailing list >> swift-evolut...@swift.org <mailto:swift-evolut...@swift.org> >> https://lists.swift.org/mailman/listinfo/swift-evolution >> <https://lists.swift.org/mailman/listinfo/swift-evolution> > > > _______________________________________________ > swift-users mailing list > swift-users@swift.org <mailto:swift-users@swift.org> > https://lists.swift.org/mailman/listinfo/swift-users > <https://lists.swift.org/mailman/listinfo/swift-users> > >
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