Saving Game State: Implementing the Memento Pattern with encoding/gob
The Save/Load Problem Every game needs to save player progress. But how do you capture the entire game state without exposing internal implementation details? How do you support undo/redo, time travel debugging, or replay systems? The Memento pattern solves this by capturing and externalizing an object’s internal state without violating encapsulation. Combined with Go’s encoding/gob package, you get powerful, type-safe serialization for game saves, undo systems, and more. The Naive Approach Here’s what not to do: ...