Open up the app and connect to a server in a location with access
They help in finding and fixing bugs - tests can expose paths in the logic that were overlooked during implementation. Also an existing suite of tests should allow you to reproduce a found bug before fixing it.
，这一点在体育直播中也有详细论述
func (*Option) ArgUint16 ¶
0x07 read and call with 2 args (?)