[swift-evolution] Shorthand unwrap proposal
Charlie Monroe
charlie at charliemonroe.net
Thu Jun 23 13:51:20 CDT 2016
> On Jun 23, 2016, at 8:45 PM, Tim Vermeulen via swift-evolution <swift-evolution at swift.org> wrote:
>
> I would love to be able to do something like
>
> doSomething(with: myOptional?)
This actually looks good to me, though if I were a newcomer to the language, it would be really cryptic.
In case the function returned any value, it could become an optional, just like with try?...
I still, however, prefer the original proposal of if let myOptional! { doSomething(myOptional) }...
>
> which would be equivalent to
>
> if let myValue = myOptional {
> doSomething(with: myValue)
> }
>
> But it’s been discussed here before, and I don’t think people were very enthusiastic about it.
>
>> I was wondering if people would be open to adding an unwrap method to the Optional type,I already have a method like this which shortens code for me.
>>
>> So this:
>>
>> let myReallyLongOptionalName: String? = "Hey"
>>
>> if let string = myReallyLongOptionalName {
>> doSomethingWith(string)
>> }
>>
>> Could become"
>>
>> let myReallyLongOptionalName: String? = "Hey"
>>
>> myReallyLongOptionalName.unwrap {
>> doSomethingWith($0)
>> }
>>
>> The block would only be fired if myReallyLongOptionalName has a value.
>>
>>
>> ___________________________________
>>
>>
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>>
>>
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>>
>>
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