dc0d於 2017年12月31日星期日 UTC+8下午8時21分29秒寫道：
>
> Consider this:
>
> func first() bool {
> select {}
> }
>
>
> And inside another function/goroutine:
>
> func f() {
> var rcvd chan bool
> select {
> case rcvd <- first():
> }
> }
>
> While rcvd is nil, this select statement (inside f) will block, forever.
> IMHO that's unexpected.
>
Why is that unexpected? You called a blocking func but sometimes it does
not block - that is unexpected and buggy.
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