go

Codify Go patterns for errors, concurrency, generics, and table-driven testing.

186|15|Updated Apr 2, 2026

Search Tags:#testing #concurrency #golang #patterns #go #error-handling #generics

Ready to run

npx skills add https://github.com/kid-sid/claude-spellbook --skill go-kid-sid

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: go
Source: https://github.com/kid-sid/claude-spellbook/tree/main/skills/go
Command: npx skills add https://github.com/kid-sid/claude-spellbook --skill go-kid-sid

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Go developers struggle to write correct, idiomatic, and maintainable code when dealing with complex error handling, concurrency patterns, and generics. This skill provides structured patterns and guidance to reduce common pitfalls and boilerplate.

Core Features & Use Cases

Error handling patterns (wrapping, sentinel errors) and error propagation
Goroutines, channels, and context propagation strategies
Generics, interfaces, and functional options for flexible APIs
Table-driven tests and benchmarks to ensure reliability

Quick Start

Start by applying table-driven tests and context-aware goroutines in a small module to reduce flakiness and improve readability.

Frequently Asked Questions about go

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I handle errors in Go using wrapping and sentinel errors?▼

Go error handling uses wrapping to add context and sentinel errors for specific checks. Propagate wrapped errors upward to maintain a clear chain while preserving the original failure cause.

What is the best way to manage goroutines and context propagation in Golang?▼

Managing goroutines requires context propagation to handle cancellation and timeouts safely. Apply context-aware goroutines to reduce flakiness and ensure clean shutdowns across concurrent operations in your services.

How do I write table-driven tests and benchmarks for Go code?▼

Table-driven tests in Go iterate over test cases to validate logic systematically, while benchmarks measure performance. Apply these patterns to enforce best practices and ensure the reliability of production-grade applications.

Can I use Go generics with interfaces and functional options for flexible APIs?▼

Go generics work with interfaces and functional options to build flexible APIs. Combine these patterns to reduce boilerplate and create maintainable, type-safe libraries that adapt to various data types.

What are common concurrency pitfalls when writing idiomatic Go code?▼

Common concurrency pitfalls in idiomatic Go include leaking goroutines and mismanaging channel lifecycles. Codify advanced concurrency patterns and context propagation strategies to avoid these issues and write robust code.