Swift concurrency interview questions
Swift concurrency interview questions
Practice Swift concurrency questions on task lifetime, isolation, cancellation and reentrancy.
Who this is for
Senior iOS candidates preparing for platform-depth rounds.
What to cover
- Task ownership
- Actor isolation
- Cancellation
- Sendable and MainActor boundaries
The useful result
Answers that explain correctness over time rather than recite syntax.
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.
