gistfile1.scala

class Page(val id: String) extends Iterable[Page] {
  def URLMatch(req: Request): Option[Page] = {
    req match {
      case r if urlParamMatches(r) => Some(this)
      case r if urlPatternMatches(r) => Some(this)
      case r if parent.isDefined => parent.get.URLMatch(r)
      case _ => None
    }
  }
}