Xcode-7-beta.6 (7A192o): [Swift] Can't conform to protocol requiring an Optional<T> with IUO<T>

Originator:segiddins
Number:rdar://22426323 Date Originated:25-Aug-2015 02:21 PM
Status:Open Resolved:
Product:Developer Tools Product Version:Xcode-7-beta.6 (7A192o)
Classification:Serious Bug Reproducible:Always
 
Summary:
You should be able to conform to a protocol that requires a property of T? with a property of T!, but that yields compiler errors.

Steps to Reproduce:
  1> protocol P { var s: String? { get } }
  2> class C: P { var s: String! }

Expected Results:
This should compile.

Actual Results:
But it totally doesn’t.

Comments


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