[swift-evolution] [Idea] Wrap switch cases in curly braces

[Xiaodi Wu]

Fallthrough ceases to make much sense with braces, and it is a handy
feature of switch statements every so often.
On Thu, Jul 7, 2016 at 15:31 Roth Michaels via swift-evolution <
swift-evolution at swift.org> wrote:

> On Thu, Jul 07 2016 at 04:07:06 PM, G B via swift-evolution <
> swift-evolution at swift.org> wrote:
> > I feel like this would be more consistent with the rest of the syntax:
> >
> > switch x {
> > case 0 { print(0) }
> > case 1 { print(1) }
> > case 2 { print(2) }
> > default { print("other”) }
> > }
> >
> > The colon syntax evokes a label, but the modern, complex `case`
> > statements in Swift don’t act much like labels.
>
> I sort of see what you are saying about `case` not seeming like a label
> since we don't have GOTO in Swift.
>
> I prefer the colon vs your brace suggestion, because from my
> perspective, the `switch` expression is the control flow statement and
> to the cases are like some sort of label even if they include complex
> pattern matching.
>
> While Scala drops the colon to avoid case statements looks like labels,
> but uses => instead of whitespace and {} --- I prefer this to your
> suggestion, but as I said also think the colon is fine.
>
> --
> Roth Michaels
> roth at rothmichaels.us
>
> _______________________________________________
> swift-evolution mailing list
> swift-evolution at swift.org
> https://lists.swift.org/mailman/listinfo/swift-evolution
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.swift.org/pipermail/swift-evolution/attachments/20160707/2cbf4912/attachment.html>