On Tue, May 10, 2016 at 2:27 AM, Nicholas Maccharoli via swift-evolution <
[email protected]> wrote:
> Swift Evolution Community,
>
> Currently writing an infinite loop in swift looks either something like
> this:
>
> while true {
> if ... { break }
> //...
> }
>
> Or this:
>
> repeat {
> if ... { break }
> //...
> } while true
>
> But I think it might be best to change the syntax / behaviour of `repeat`
> to loop
> indefinitely if no trailing while clause is present:
>
> repeat {
> if ... { break }
> //...
> }
>
> while still allowing a trailing `while` clause as in:
>
> repeat {
> foo += bar
> } while foo.count < limit
>
What is your motivation for this change?
> I also want to propose that it should be a compile time error to use
> single `Bool` constants as while loop conditions, so no more `while true {
> ... }` it would become `repeat { ... }`
>
What problems are solved by forbidding `while true`?
> I was thinking of drafting a short proposal if there was enough positive
> feedback.
>
> How does it sound?
>
> - Nick
>
> _______________________________________________
> swift-evolution mailing list
> [email protected]
> https://lists.swift.org/mailman/listinfo/swift-evolution
>
>
_______________________________________________
swift-evolution mailing list
[email protected]
https://lists.swift.org/mailman/listinfo/swift-evolution
