Apply idiomatic Go patterns for wrapping, inspecting, and logging errors.
npx skills add https://github.com/Qunnnn/agents --skill go-error-handling-qunnnn
Please help me install this Agent Skill. Skill: go-error-handling Source: https://github.com/Qunnnn/agents/tree/main/skills/go/go-error-handling Command: npx skills add https://github.com/Qunnnn/agents --skill go-error-handling-qunnnn
This Skill helps developers avoid fragile error handling in Go applications by applying consistent patterns for creating, wrapping, checking, and logging errors.
Use the go-error-handling skill to review my Go code and suggest idiomatic error handling improvements.
High-intent search queries and answers about installing and using this skill.
Idiomatic Go error handling requires applying consistent patterns for creating, wrapping, and logging errors. It involves using fmt.Errorf with %w, sentinel errors, and structured logging to ensure reliable propagation and debugging clarity.
The best way to inspect wrapped Go errors is using errors.Is to check against specific sentinel values and errors.As to extract custom error types, ensuring safe failure propagation and maintainable logic.
Structured logging with custom error types in Golang involves defining specific error structures and passing them to your logger to capture contextual data, which improves production error management and debugging workflows.
Use errors.Join to aggregate multiple distinct errors into a single error value, while custom error types are used when you need to attach specific contextual data and behaviors to failures for structured logging.
Yes, this approach applies to Go service implementation and production error management workflows by satisfying requirements for contextual error wrapping, sentinel errors, and structured logging for reliable debugging.
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