GoF Design Patterns Reference

A comprehensive reference for the Gang of Four design patterns. This skill provides language-agnostic guidance with pseudocode examples that can be translated to any programming language.

When This Skill Activates

This skill automatically activates when you:

• Ask about or need to implement a design pattern
• Need to choose between patterns for a design problem
• Are refactoring code and considering structural improvements
• Discuss architecture, decoupling, or extensibility
• Mention specific patterns: factory, singleton, observer, decorator, etc.

Quick Pattern Reference