golang中使用无缓存channel报错all goroutines are asleep - deadlock-Go中协程死锁详解

报错代码展示：

func testDeadLock(c chan int){
	for{
		fmt.Println(<-c)
	}
}

func main() {
	c :=make(chan int)
	c<-'A'
	go testDeadLock(c)
	time.Sleep(time.Millisecond)
}

channel无缓冲时，是阻塞的

https://blog.youkuaiyun.com/u011328417/article/details/89473323