swift-error-handling

What problem does it solve?

This Skill provides a comprehensive guide to effectively managing recoverable and unrecoverable errors in Swift, ensuring more stable and predictable applications.

Core Features & Use Cases

• Error Definition: Learn to define custom error types using enums and structs conforming to the Error protocol.
• Error Propagation: Understand throws, try, try?, and try! for handling errors in function calls.
• Error Handling: Implement do-catch blocks for graceful error recovery and Result types for asynchronous operations.
• Use Case: When building a network client, you can use Swift's error handling to gracefully manage scenarios like invalid URLs, no internet connection, or server errors, providing informative feedback to the user.

Quick Start

Show me how to define a custom Swift error for network failures.