I’d say that’s a bug! Mind filing it at https://bugs.swift.org
<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
