Go Error Handling Patterns

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Implements robust Go error handling patterns including wrapping, sentinel errors, and custom types to build resilient backend applications.

This skill equips Claude with specialized knowledge of Go's idiomatic error handling ecosystem, ranging from basic checks to advanced Go 1.13+ wrapping techniques. It helps developers move beyond simple error checking by implementing sentinel errors, custom error types for domain logic, and structured logging integration. Whether you are building high-concurrency microservices or CLI tools, this skill ensures your Go applications handle failures gracefully, preserve context through error chains, and provide clear debugging information for faster troubleshooting.

主要功能

01Idiomatic early-return patterns and error variable naming conventions
0272 GitHub stars
03Implementation of sentinel errors and custom error types for domain logic
04Comprehensive unit testing strategies for error conditions and edge cases
05Context-preserving error wrapping using Go 1.13+ standards
06Structured error logging integration using the slog package

使用场景

01Implementing multi-error collection for complex data validation or batch processing
02Building production-grade REST APIs with standardized HTTP error mapping
03Refactoring legacy Go codebases to utilize modern errors.Is and errors.As patterns