小编Jam*_*mes的帖子

令我感到惊讶的是,惯例似乎完全交错......看到这个之后,我开始相信有一些关于内部的缺失信息,我还没有学到.例:

$ go run x.go > output
$ grep ping output | wc -l
404778
$ grep pong output | wc -l
404777
$ cat x.go 
package main
import (
    "fmt"
    "time"
)

type Ball struct{ hits int }

func main() {
    table := make(chan *Ball)
    go player("ping", table)
    go player("pong", table)

    table <- new(Ball) // game on; toss the ball
    time.Sleep(1 * time.Second)
    <-table // game over; grab the ball
}

func player(name string, table chan *Ball) {
    for …