own definition of an array overpack, which is a "user

代码说明：

一个自己定义的数组外包装，这是“使用者自定义stl容器“的一个好例子，在数组之外包装了一层常用的容器界面。-own definition of an array overpack, which is a "user-defined stl containers" of a good example In addition to the array of packaging containers used layer interface.