> On Oct 13, 2016, at 14:47 , Joe Groff <jgr...@apple.com> wrote:
>
>
>> On Oct 13, 2016, at 2:36 PM, Rick Mann via swift-users
>> <swift-users@swift.org> wrote:
>>
>> It seems I can write this:
>>
>> extension String
>> {
>> public func deleting(prefix inPrefix: String) -> String
>> public func deleting(prefix inPrefix: String) -> String?
>> }
>>
>> But I was hoping it would do the right thing:
>>
>> let a = s.deleting(prefix: "foo")
>> if let b = s.deleting(prefix: "foo") { }
>>
>> But it finds these ambiguous, and I'm not sure how to specify which I want.
>
> The first one is truly ambiguous since either overload works. If you specify
> the type of 'a', you should be able to choose one or the other:
>
> let a: String = s.deleting(prefix: "foo")
> let b: String? = s.deleting(prefix: "foo")
>
> The `if let` should not be ambiguous, since only the Optional-returning
> overload is a valid candidate. Got time to file a bug?
Here you go: https://bugs.swift.org/browse/SR-2942
--
Rick Mann
rm...@latencyzero.com
_______________________________________________
swift-users mailing list
swift-users@swift.org
https://lists.swift.org/mailman/listinfo/swift-users
