Another complication with signals is that, just by running test cases you can't be sure that your code is signal-bug free.

使用信号的另一个新增的困难是，只通过运行测试用例不能够确保代码没有信号 bug。

youdao

Another complication with signals is that, just by running test cases you can't be sure that your code is signal-bug free.

使用信号的另一个新增的困难是，只通过运行测试用例不能够确保代码没有信号 bug。

youdao