Go routines communicating back and forth

main.go

package main

import "fmt"

func main() {

	channel := make(chan int)
	done := make(chan bool)
	start := 0
	go playerOne(channel, done)
	go playerTwo(channel, done)

	channel <- start

	<- done

}

func playerOne(c chan int, done chan bool) {
	for {
		next := <-c
		fmt.Println("PING: ", next)
		next++
		if next > 10 {
			close(c)
			close(done)
			return
		}
		c <- next
	}
}

func playerTwo(c chan int, done chan bool) {
	for {
		next := <-c
		fmt.Println("PONG: ", next)
		next++
		if next > 10 {
			close(c)
			close(done)
			return
		}
		c <- next
	}

}