How do Go interfaces differ from interfaces in other languages?

In Go, interfaces are implemented implicitly. A type satisfies an interface by implementing its methods without needing an explicit 'implements' keyword, enabling flexible duck typing.

Does this skill cover modern Go features?

Yes, it includes guidance on Go 1.18+ features, such as using the 'any' keyword as an alias for the empty interface.

Can this skill help with unit testing in Go?

Yes, it provides specific patterns for dependency injection and mocking, allowing you to swap production implementations with test mocks easily.

What is the recommended size for a Go interface?

Following Go best practices, this skill encourages small, focused interfaces (usually 1-3 methods) that can be composed into larger ones as needed.

Go Interface Patterns

Name: Go Interface Patterns
Author: TheBushidoCollective

byTheBushidoCollective

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API Development

Master Go's interface system to create flexible, decoupled code using implicit implementation and professional composition patterns.

This skill empowers developers to leverage the full power of Go's unique interface system, focusing on creating decoupled, testable, and maintainable software architectures. It provides comprehensive guidance on duck typing, interface composition, and advanced design patterns like Strategy, Adapter, and Dependency Injection. By following these patterns, you can build flexible APIs that follow SOLID principles while avoiding common pitfalls like over-abstraction and incorrect nil interface handling.

Key Features

0172 GitHub stars

02Standard design patterns including Strategy, Adapter, and Builder

03Advanced interface composition for complex abstractions

04Compile-time interface verification and best practices

05Dependency injection patterns for enhanced unit testability

06Implicit 'duck typing' implementation guidance

Use Cases

01Implementing polymorphic behaviors across diverse system components

02Designing clean, extensible Go APIs and decoupled abstractions

03Mocking external dependencies for comprehensive unit testing

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add thebushidocollective/han go-interfaces

For use in Claude.ai and ChatGPT

Download Skill