Finally, start MyObservable's clock to see output like that in Listing 6.

最后，启动myobservable时钟，查看如清单6所示的输出。

youdao

Finally, start MyObservable's clock to see output like that in Listing 6.

最后，启动myobservable时钟，查看如清单6所示的输出。

youdao