[Discussion] Inclusion of CasePaths into the language

[davdroman (David Roman)]

Further progress on this front with an initial pitch accompanying the implementation:

Enum Case KeyPaths

Hi Evolution, I have a simple pitch to start allowing read-only keypaths to refer to enum cases below. Please let me know what you think! Enum Case KeyPaths Proposal: SE-NNNN Author: Alejandro Alonso Review Manager: TBD Status: Awaiting review Implementation: apple/swift#58940 Introduction I propose to allow keypaths to reference enum cases as components. The result of accessing this keypath is either an optional single element type, an optional tuple of the associated value, or, in the…