In software development, we often encounter the need to save the historical state of an object so that it can be restored to a specific state when necessary. For example, a text editor needs to support undo and redo functions, and a game needs to record the player's save files. In order to elegantly implement state preservation and restoration, the Memento Pattern provides an excellent solution. This article will introduce the concept of the Memento Pattern in detail, the difference between it and other design patterns, the problems it solves, its implementation in Golang, and how to use it in...