Interview guides / ios

Escaping vs Nonescaping Closures: iOS Interview Question

Escaping vs Nonescaping Closures interview question with a clear example answer for iOS engineers. Practice with AceMobileInterview.

This is a common iOS interview topic: Escaping vs Nonescaping Closures.

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

1. 1.What’s the difference between escaping and non-escaping closures?

   Non-escaping run before the function returns (default). Escaping may outlive the call (async callbacks, stored handlers) and need @escaping; they require care with capture lists to avoid retain cycles.