based on other languages having a similar construct, which is syntax for a range to replace the range built-in.
That makes it hard, but yeah.
，更多细节参见51吃瓜
type introspection.。业内人士推荐WPS下载最新地址作为进阶阅读
PrintSquares(nums...) // variadic expansion。快连下载安装对此有专业解读