Interview guides / ios

Error Handling Patterns: iOS Interview Question

Error Handling Patterns interview question with a clear example answer for iOS engineers. Practice with AceMobileInterview.

This is a common iOS interview topic: Error Handling Patterns.

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

1. 1.Compare throws, Result, and async throws for networking layers.

   Prefer async throws for modern networking. Result suits completion handlers. Map domain errors distinctly from transport errors; avoid catching and swallowing without logging/telemetry.