Goroutine channel with select

channel-select.go

package main

import (
    "fmt"
    "math/rand"
    "time"
)

func boring(msg string) <-chan string {
    c := make(chan string)
    go func() {
        for i := 0; ; i++ {
            c <- fmt.Sprintf("%s %d", msg, i)
            time.Sleep(time.Duration(rand.Intn(1e3)) * time.Millisecond)
        }
    }()
    return c
}

func main() {
    c := boring("joe")
    timeout := time.After(1 * time.Second) //Timout for whole conversation.
    for {
        select {
        case s := <- c:
            fmt.Println(s)
        case <- timeout:
            fmt.Println("You talk to much")
            return
        }
    }

    fmt.Println("You are both boring; I'm leaving")
}