code: func main() {
  
  	// Parse command-line flags; needed to let flags used by Go-Redis be parsed.
  	flag.Parse()
  
  	// create the client.  Here we are using a synchronous client.
  	// Using the default ConnectionSpec, we are specifying the client to connect
  	// to db 13 (e.g. SELECT 13), and a password of go-redis (e.g. AUTH go-redis)
  
  	spec := redis.DefaultSpec().Db(13).Password("go-redis")
  	client, e := redis.NewSynchClientWithSpec(spec)
  	if e != nil {
  		log.Println("failed to create the client", e)
  		return
  	}
  
  	key := "examples/hello/user.name"
  	value, e := client.Get(key)
  	if e != nil {
  		log.Println("error on Get", e)
  		return
  	}
  
  	if value == nil {
  		fmt.Printf("\nHello, don't believe we've met before!\nYour name? ")
  		reader := bufio.NewReader(os.Stdin)
  		user, _ := reader.ReadString(byte('\n'))
  		if len(user) > 1 {
  			user = user[0 : len(user)-1]
  			value = []byte(user)
  			client.Set(key, value)
  		} else {
  			fmt.Printf("vafanculo!\n")
  			return
  		}
  	}
  	fmt.Printf("Hey, ciao %s!\n", fmt.Sprintf("%s", value))
  }
docs: /*
  	hello world, redis style.
  */