You can just inherit from the Tie: : StdHash package (in the Tie: : Hash perldoc), which defines every method you will need, so you just need to override the ones you want.

您完全可以继承tie： stdhash包(位于Tie： Hash perldoc中)，它定义了您需要的全部方法，这样您只需覆盖您想要的方法。

youdao

Yet trying to hold on to something which is forever changing is like trying to capture the wind inside a box or tie up water in a brown paper package.

不过，尝试紧紧抓着一些永恒地变化的东西，恰如企图捕捉盒子里面的风，或把水绑在牛皮纸包裹上。

youdao