Example of Akka's binary Scala serialization protocol

gistfile1.rb

case class User(val usernamePassword: Tuple2[String, String],
                val email: String,
                val age: Int)
   extends Serializable.SBinary[User] {
  def this() = this(null, null, 0)
  import sbinary.DefaultProtocol._                                             
  implicit object UserFormat extends Format[User] {
    def reads(in : Input) = User(
      read[Tuple2[String, String]](in),
      read[String](in),
      read[Int](in))
    def writes(out: Output, value: User) = {
      write[Tuple2[String, String]](out, value.usernamePassword)
      write[String](out, value.email)
      write[Int](out, value.age)
    }
  }
  def fromBytes(bytes: Array[Byte]) = fromByteArray[User](bytes)
  def toBytes: Array[Byte] = toByteArray(this)
}