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golang-patterns

Provide idiomatic Go patterns for error handling, concurrency, and package design.

Updated Aug 23, 2026
Search Tags:#best practices#error handling#concurrency#patterns#go#idiomatic
One-click install
npx skills add https://github.com/JGcode3675/gcs-os --skill golang-patterns-jgcode3675
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: golang-patterns
Source: https://github.com/JGcode3675/gcs-os/tree/main/home/james/claude-config/skills/golang-patterns
Command: npx skills add https://github.com/JGcode3675/gcs-os --skill golang-patterns-jgcode3675

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Many Go developers struggle to write idiomatic, maintainable code, leading to hidden bugs, performance issues, and confusing APIs. This Skill consolidates proven patterns and best‑practice guidance to help teams build robust, efficient Go applications.

Core Features & Use Cases

  • Simplicity & Clarity: Guides on writing clear, direct Go code.
  • Zero Value Utilization: Shows how to design types that work out‑of‑the‑box.
  • Interface Design: Encourages small, focused interfaces and proper usage.
  • Error Handling: Demonstrates error wrapping, custom error types, and inspection with errors.Is and errors.As.
  • Concurrency Patterns: Provides worker‑pool, context cancellation, graceful shutdown, errgroup coordination, and leak‑prevention techniques.
  • Package Organization: Recommends standard project layout and naming conventions.
  • Memory & Performance: Advises on slice preallocation, sync.Pool, and string building.
  • Tooling Integration: Lists essential Go commands and a recommended linter configuration.

Quick Start

Ask the golang-patterns skill for a concise example of a worker‑pool implementation in Go.

Frequently Asked Questions about golang-patterns

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

FAQPage Schema
How do I implement a worker pool in Go with graceful shutdown and context cancellation?▼

Idiomatic Go concurrency patterns provide worker‑pool implementations using context cancellation and errgroup coordination to prevent goroutine leaks and ensure graceful shutdown. The Skill offers concise examples for building robust concurrent applications.

What is the best way to handle errors in Go using errors.Is and errors.As?▼

Idiomatic Go error handling uses error wrapping and custom error types, inspected via errors.Is and errors.As. The Skill demonstrates how to wrap errors properly and build clear APIs to maintain traceability across package boundaries.

How do I structure a Go project package organization for maintainability?▼

Standard Go project layout patterns recommend specific naming conventions and package organization to ensure maintainability. The Skill guides you in designing focused package structures that keep dependencies clean and APIs clear.

How do I optimize Go performance with slice preallocation and sync.Pool?▼

Go performance tuning patterns advise on slice preallocation, sync.Pool usage, and efficient string building to reduce memory allocations. The Skill provides memory and performance guidelines for writing efficient Go code.

When should I design small interfaces in Go and utilize zero values?▼

Idiomatic Go interface design encourages small, focused interfaces, while zero value utilization shows how to design types that work out‑of‑the‑box. The Skill helps you write clear, direct Go code by applying these specific design principles.

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