Either way is fine. I suspect this is a bug with the transformation the Swift compiler performs when compiling for a playground, rather than with the machinery that goes with running the playground, but I haven’t looked into it.
Jordan > On Aug 7, 2017, at 13:22, Joe DeCapo <snoogan...@gmail.com> wrote: > > Since it's Playground bug, should I file it in Apple's bug reporter rather > than Swift's? > >> On Aug 7, 2017, at 3:12 PM, Jordan Rose <jordan_r...@apple.com> wrote: >> >> I’d say that’s a bug! Mind filing it at https://bugs.swift.org ? >> >> Thanks, >> Jordan >> >>> On Aug 4, 2017, at 12:41, Joe DeCapo via swift-users >>> <swift-users@swift.org> wrote: >>> >>> Hi everyone, >>> >>> I'm not sure if there's a more appropriate place to ask this question, but >>> I figured at the very least I could get pointed in the right direction. >>> I've tried searching online and haven't been able to find anything >>> addressing this. >>> >>> I was trying to use the `defer` statement in a Playground, and was >>> surprised to find that it never prints anything in the preview pane on the >>> side. I was expecting the evaluation of the code in the `defer` statement >>> to show up in line with the statements, even though they're executed after >>> the last line in the function. I made a very simple playground that >>> modifies a global variable and prints the value in the `defer` statement, >>> and when I print the global variable after calling my function it shows the >>> correct updated value, so the code in the `defer` statement is getting run >>> as expected. Here's my sample code with the Playground output in comments >>> on the side: >>> >>> var x = 3 // 3 >>> func doSomething() { >>> print(1) // "1\n" >>> defer { >>> x += 1 >>> print(x) >>> } >>> print(2) // "2\n" >>> } >>> doSomething() >>> print(x) // "4\n" >>> >>> I was expecting something like this: >>> >>> var x = 3 // 3 >>> func doSomething() { >>> print(1) // "1\n" >>> defer { >>> x += 1 // 4 >>> print(x) // "4\n" >>> } >>> print(2) // "2\n" >>> } >>> doSomething() >>> print(x) // "4\n" >>> >>> Is there some deep reason why code in `defer` statements doesn't show >>> anything in the preview pane in Playgrounds? >>> >>> -Joe >>> >>> <Defer.playground> >>> >>> _______________________________________________ >>> swift-users mailing list >>> swift-users@swift.org >>> https://lists.swift.org/mailman/listinfo/swift-users >> > _______________________________________________ swift-users mailing list swift-users@swift.org https://lists.swift.org/mailman/listinfo/swift-users
