小编mik*_*rli的帖子

我正在学习 Go，并且遇到了以下代码片段：

package main

import "fmt"

func sum(a []int, c chan int) {
    sum := 0
    for _, v := range a {
        sum += v
    }
    c <- sum // send sum to c
}

func main() {
    a := []int{7, 2, 8, -9, 4, 0}

    c := make(chan int, 2)
    go sum(a[0:3], c)
    go sum(a[3:6], c)
    x := <-c
    y := <-c
    // x, y := <-c, <-c // receive from c

    fmt.Println(x, y)
}

Output:

-5 17 …