actor isolation interview questions
Actor isolation interview questions
Practice actor isolation questions about state access, Sendable values, global actors and suspension.
Who this is for
Senior iOS candidates preparing Swift concurrency interviews.
What to cover
- Isolated state
- Cross-actor access
- Sendable boundaries
- MainActor and suspension
The useful result
Answers that distinguish data-race safety from workflow correctness.
Use the keyword as a starting point, then judge the work by whether it solves the reader's actual problem. A strong answer names the context, the decision, the closest alternative, the failure mode and the evidence that would change the recommendation.
