updated_notifier.go

package notifier

import "fmt"

type notifier struct {
	name string
	id   int
	counter int
}

func (n *notifier) notifyUser() {
	fmt.Println("Receiving user notification from " + n.name)
}

func (n *notifier) Notify() {
	n.counter += 1
	if n.name != ""{
		n.notifyUser()
	}
}