The Memento Pattern in Go - Behavioral Patterns

🔥 Deep dive into the Memento Design Pattern in Go — the engine behind Ctrl+Z, database rollbacks, and game save states. In this video you'll learn: ✅ The three actors: Originator, Memento, and CareTaker — and why each role matters ✅ Simple implementation in Go with full TDD walkthrough ✅ Advanced pattern: Memento + Command + Facade for type-flexible history management ✅ Stack vs. List vs. Ring Buffer — choosing the right storage strategy ✅ Production concerns: bounded history, memory management, crash recovery ✅ Connection to event sourcing and distributed transactions Perfect for Go developers preparing for system design interviews or building production-grade applications with undo/rollback requirements.