What if you want them to change, for example, to fix a bug? Or to add a new feature?

如果为了各种目的(如修复错误或添加新功能)而希望进行更改时该怎么办？

youdao

This approach would eliminate the need to cast in the above code, but it would not fix the bug.

这种方法可除去上面代码中类型强制转换的需要，但不修正错误。

youdao

You find a bug, establish a pattern, fix the bug, and fix the process.

您找到错误，然后建立模式、修正错误，最后修正过程。

youdao

All right. What do you do when you've found the bug and you need to fix it?

好了，当你发现错误并修改它们的时候,你该怎么做？记住一个古老的法则？

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