This seems like a better solution to me. The other one smacks of goto.
On Fri, Oct 14, 2016 at 20:52 Zhao Xin via swift-users <
swift-users@swift.org> wrote:
> I manage to use below work around.
>
> let count = 1
>
>
> switch count {
>
> case 0, 1:
>
> let buttonId = NSAlertThirdButtonReturn
>
> let shouldFallthrough = { () -> Bool in
>
> switch buttonId {
>
> case NSAlertFirstButtonReturn:
>
> print("do something")
>
> case NSAlertSecondButtonReturn:
>
> print("do something")
>
> case NSAlertThirdButtonReturn:
>
> print("do something")
>
> return true
>
> default:
>
> fatalError()
>
> }
>
>
>
> return false
>
> }()
>
> if shouldFallthrough { fallthrough }
>
> default:
>
> print("do extra things")
>
> }
>
> Zhaoxin
>
>
> On Sat, Oct 15, 2016 at 10:44 AM, Zhao Xin <owe...@gmail.com> wrote:
>
> I thought below code would work. It didn't.
>
> let count = 1
>
>
> outerSwitch: switch count {
>
> case 0, 1:
>
> let buttonId = 0
>
> switch buttonId {
>
> case NSAlertFirstButtonReturn:
>
> print("do something")
>
> case NSAlertSecondButtonReturn:
>
> print("do something")
>
> case NSAlertThirdButtonReturn:
>
> print("do something")
>
> fallthrough outerSwitch // error here
>
> default:
>
> fatalError()
>
> }
>
> default:
>
> print("do extra things")
>
> }
>
> So I have to use `if - else if - else` instead. I think if `fallthrouh`
> works with `label`, the code will be more elegant.
>
> Zhaoxin
>
>
>
>
>
>
>
>
>
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