-
Type:
Bug
-
Status: Open
-
Priority:
Medium
-
Resolution: Unresolved
-
Component/s: Compiler
-
Labels:None
In Swift 4.2 (Xcode 10.1) and 5.0 (Xcode 10.2 beta 4), it's legal to define multiple identical enum cases as long as their associated value is different:
enum PictureImport { case add(image: UIImage) case add(data: Data) }
This, however, leads to compile errors when switching:
func importImage(_ importedImage: PictureImport) { switch importedImage { case .add(image: let image): // Error: Tuple pattern element label 'image' must be 'data' // ... case .add(data: let data): // ... } }
(Maybe related to https://bugs.swift.org/browse/SR-6853)