Interview guides / ios

Actors and Isolation: iOS Interview Question

Actors and Isolation interview question with a clear example answer for iOS engineers. Practice with AceMobileInterview.

This is a common iOS interview topic: Actors and Isolation.

Below is a concise answer you can adapt in a real interview, then go deeper in the full AceMobileInterview track.

1. 1.How do actors protect mutable state? What is nonisolated?

   Actors serialize access to their state, preventing data races. Await hops to the actor. nonisolated marks members that don’t touch isolated state (e.g. pure helpers) so they can be called without await.