b := bytes.NewBuffer(data)
	_, err := fmt.Fscanln(b, &v.x, &v.y, &v.z)
	return err
}

// This example transmits a value that implements the custom encoding and decoding methods.
func Example_encodeDecode() {
	var network bytes.Buffer // Stand-in for the network.

	// Create an encoder and send a value.
	enc := gob.NewEncoder(&network)
	err := enc.Encode(Vector{3, 4, 5})
	if err != nil {