[Pitch] Add RawSpan primitive to Hasher

Hi everyone, I have a short pitch to add a RawSpan primitive to Hasher to mirror the existing unsafe buffer pointer API. The swift-evolution PR is up at Add RawSpan primitive to Hasher by jmschonfeld · Pull Request #3490 · swiftlang/swift-evolution · GitHub and the contents of the proposal are below. Add RawSpan primitive to Hasher Proposal: SE-NNNN Author: Jeremy Schonfeld Review Manager: TBD Status: Awaiting implementation Implementation: Not yet implemented Summary of changes Adds a new p...