Apply Go idioms, explicit error handling, and modular API design patterns.
npx skills add https://github.com/JustinFirsching/dotfiles --skill go-justinfirsching
Please help me install this Agent Skill. Skill: go Source: https://github.com/JustinFirsching/dotfiles/tree/main/opencode/.config/opencode/skill/go Command: npx skills add https://github.com/JustinFirsching/dotfiles --skill go-justinfirsching
Go developers struggle to adopt consistent idioms, handle errors robustly, and design reliable APIs; this skill codifies proven patterns to improve readability, maintainability, and correctness.
Create a small Go function that uses explicit error returns, wraps errors with context, and demonstrates dependency injection.
High-intent search queries and answers about installing and using this skill.
Idiomatic Golang uses explicit error returns, small interfaces, and composition over inheritance. Adopting these patterns ensures code remains modular, readable, and maintainable across servers and CLI tools.
To propagate context in Go API design, pass context.Context as the first argument in function signatures. This enforces context-aware functions, ensuring reliable cancellation and timeouts across server and library boundaries.
Go prefers small interfaces to enforce composition and reduce coupling. Defining interfaces with only the required methods prevents unnecessary dependencies, ensuring modular and maintainable API designs.
Yes, you can use typed and sentinel errors together in Golang. Defining sentinel errors for expected values and wrapping them with typed context allows robust error matching while preserving the original error chain.
This approach applies to building both CLI tools and servers in Go. Patterns for explicit error handling, context propagation, and modular API design are universally applicable across microservices, libraries, and command-line interfaces.
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