整体程序没有main函数，通过单元测试go test命令进行程序运行测试
调用逻辑见*_test.go，用户可以自行修改
| 章节 | 代码 | 笔记 |
|---|---|---|
| 01.Iterator | √ | |
| 02.Adapter | ||
| 03.Template Method | ||
| 04.Factory Method | ||
| 05.Singleton | ||
| 06.Prototype | ||
| 07.Builder | ||
| 08.Abstract Factory | ||
| 09.Bridge | ||
| 10.Strategy | ||
| 11.Composite | ||
| 12.Decorator | ||
| 13.Visitor | ||
| 14.Chain of Responsibility | ||
| 15.Facade | ||
| 16.Mediator | ||
| 17.Observer | ||
| 18.Memento | ||
| 19.State | ||
| 20.Flyweight | ||
| 21.Proxy | ||
| 22.Command | ||
| 23.Interpreter |