For really critical sections of your code, you might consider adding some functional tests as a safety net before you start refactoring.

对于代码中真正关键的部分，可能需要在进行重构之前添加一些功能测试作为一种安全保障。

youdao

For really critical sections of your code, you might consider adding some functional tests as a safety net before you start refactoring.

对于代码中真正关键的部分，可能需要在进行重构之前添加一些功能测试作为一种安全保障。

youdao