Furthermore, I also think it is a nice generalization of the
do {
}
syntax for scopes. I think it is quite intuitive that do executes a block once,
and repeat executes it repeatedly.
> On May 10, 2016, at 1:09 PM, Erica Sadun via swift-evolution
> <[email protected]> wrote:
>
> I do not see sufficiently measurable benefits to this proposal to add it to
> the language.
> It's easy enough to roll your own `repeatForever` function with trailing
> closure.
>
> I also want to thank you for bring it up on-list. Not every idea is right for
> Swift but it's
> always refreshing to see innovative thoughts added to the discussion. Please
> do not be
> discouraged by the generally negative feedback on this particular idea.
>
> -- Erica
>
>> On May 10, 2016, at 1:27 AM, Nicholas Maccharoli via swift-evolution
>> <[email protected] <mailto:[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
>>
>> 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 { ... }`
>>
>> I was thinking of drafting a short proposal if there was enough positive
>> feedback.
>>
>> How does it sound?
>>
>> - Nick
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