BTW - google for swift print optional stackoverflow. I think that kind of speaks for itself.
> On May 19, 2016, at 6:07 PM, Jeremy Pereira via swift-evolution > <swift-evolution@swift.org> wrote: > > -1 > > This seems to me like crippling string interpolation just because sometimes > we make mistakes. 99% of the time, if I interpolate an optional, it’s because > I want it that way. I don’t want to have to put up with a warning or write > the same boilerplate 99% of the time just to flag up the 1% more easily. > Sorry. > >> On 18 May 2016, at 19:50, Krystof Vasa via swift-evolution >> <swift-evolution@swift.org> wrote: >> >> The string interpolation is one of the strong sides of Swift, but also one >> of its weaknesses. >> >> It has happened to me more than once that I've used the interpolation with >> an optional by mistake and the result is then far from the expected result. >> >> This happened mostly before Swift 2.0's guard expression, but has happened >> since as well. >> >> The user will seldomly want to really get the output "Optional(something)", >> but is almost always expecting just "something". I believe this should be >> addressed by a warning to force the user to check the expression to prevent >> unwanted results. If you indeed want the output of an optional, it's almost >> always better to use the ?? operator and supply a null value placeholder, >> e.g. "\(myOptional ?? "<<none>>")", or use myOptional.debugDescription - >> which is a valid expression that will always return a non-optional value to >> force the current behavior. >> >> Krystof >> >> _______________________________________________ >> 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
