code: func get(db keyval.ProtoBroker, data string) {
  	c := &phonebook.Contact{Name: data}
  
  	key := phonebook.EtcdContactPath(c)
  
  	found, _, err := db.GetValue(key, c)
  	if err != nil {
  		log.Fatal(err)
  	} else if !found {
  		fmt.Println("Not found")
  		return
  	}
  
  	fmt.Println("Loaded:", key, c)
  }
docs: // get retrieves single entry