> On Jul 13, 2017, at 10:21 PM, Félix Cloutier via swift-evolution
> <[email protected]> wrote:
>
> How should the fix-it transform the following code to make it valid?
>
> func foo(bar: String) -> Int
> func frob() -> String?
>
> func qaz() -> Int {
> return foo(bar: frob()) // frob() is optional, insert a ! to fix
> }
You rewrite it to:
return foo(bar: frob() ?? <#value if nil#>)
<# #> are the ascii representation of code placeholder tokens in Xcode.
-Chris
>
>> Le 13 juil. 2017 à 21:36, Robert Bennett via swift-evolution
>> <[email protected]> a écrit :
>>
>> When writing Swift code, it is not uncommon to forget to unwrap optionals.
>> The compiler will offer a fixit, telling you you must insert either a ? or a
>> !. However, when you accept the fixit, ! is inserted (at least, it is for me
>> in Xcode 8.3).
>>
>> Ideally the fixit would default to ? because this is the preferred option; !
>> is often a sign of non-Swifty code and does not interact well with idiomatic
>> Swift constructs such as if-let-(as?), guard-let-(as?)-else, etc. Also I
>> think it’s safe to say that fixits should not err on the side of crashing at
>> runtime.
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