Go channels tutorial (http://golangtutorials.blogspot.com/2011/06/channels-in-go.html)

cake.go

var i int
func makeCakeAndSend(cs chan string) {
    i = i + 1
    cakeName := "Strawberry Cake " + strconv.Itoa(i)
    fmt.Println("Making a cake and sending ...", cakeName)
    cs <- cakeName //send a strawberry cake
}

func receiveCakeAndPack(cs chan string) {
    s := <-cs //get whatever cake is on the channel
    fmt.Println("Packing received cake: ", s)
}

func main() {
    cs := make(chan string)
    for i := 0; i<3; i++ {
        go makeCakeAndSend(cs)
        go receiveCakeAndPack(cs)
        time.Sleep(1 * 1e9)
    }
}