On 13 Oct 2016, at 11:06, Haravikk via swift-evolution
<swift-evolution@swift.org> wrote:
>
>>
>> On 11 Oct 2016, at 19:43, Erica Sadun via swift-evolution
>> <swift-evolution@swift.org <mailto:swift-evolution@swift.org>> wrote:
>>
>> I thought this was long gone but today I found out it is still legal:
>>
>> switch i {
>> case 4 ... 6: ()
>> case 3: print("Here")
>> default: break
>> }
>>
>> Is there a motivating factor for keeping this in the language? The compiler
>> picks up on Void and emits an error. You'd think () would produce the same
>> results but it doesn't.
>>
>> — Erica
>
> Hopefully I'm not the only one but… how are we supposed to be doing this?
> Because () is exactly what I've been using the entire time for cases that I
> want to ignore (or are handled in code outside the switch). I'm going to have
> a few dozen files to edit if there's something else I'm supposed to be using…
You can have a 'break' there, which is equivalent to a nop but without a return
value. Whether that's what you're supposed to do or not is a different issue :)
Alex
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