Serialize.scala

class StringMapCubbie[T](val m: mutable.Map[String,T]) extends Cubbie {
  setMap(new mutable.Map[String, Any] {
    override def update(key: String, value: Any): Unit = {
      value match {
        case v: T => m(key) = v
        case _ => throw new InvalidClassException(value.getClass.getName + " is not of the proper type.")
      }
    }
    def += (kv: (String, Any)): this.type = { update(kv._1, kv._2); this }
    def -= (key: String): this.type = sys.error("Can't remove slots from cubbie map!")
    def get(key: String): Option[Any] = if (m.contains(key)) Some(m(key)) else None
    def iterator: Iterator[(String, Any)] = m.iterator
  })
}