net.Listener (question) about fasthttprouter HOT 2 CLOSED

    router := fasthttprouter.New()
    router.GET("/", Index)
    router.GET("/hello/:name", Hello)
    // and other routers...
    s := &fasthttp.Server{
        Handler: router.Handler,
        Name:    "hx_server",
    }
    ln := getListener()
    if err = s.Serve(ln); err != nil {
        log.Fatalf("Error when serving incoming connections: %s", err)
    }