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【每日一题】大佬们进来看看吧

 2 years ago
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neoserver,ios ssh client

【每日一题】大佬们进来看看吧

ueueq · 大约2小时之前 · 106 次点击 · 预计阅读时间不到 1 分钟 · 大约8小时之前 开始浏览     
func main() {
    var ch chan int

    go func() {
        fmt.Println(<-ch)
    }()

    go func() {
        time.Sleep(3 * time.Second)
        ch = make(chan int)
        ch <- 1
    }()

    time.Sleep(10 * time.Second)
}

A 1 B 编译错误 C 无输出

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