go算术

//斐波拉契数列
func fibonacci(n int,c chan int)  {
    x,y :=0,1
    for i:=0;i<n ;i++  {
        c<-x
        x,y = y,x+y
    }
    close(c)
}

func main() {
    c:=make(chan int,10)

    go fibonacci(cap(c),c)

    for i:=range c {
        fmt.Println(i)
    }
}