Code that fails to match

gistfile1.scala

def needState(need: InfoNeed) = {
  object needs extends Obj('needs) {
    object thisNeed extends Obj(Symbol(need.name)) {
      val state = Child[String, Property[String]](Some(this), UserProps.Need.state)
    }
  }
  js match {
    case needs.thisNeed.state(st) => Some(st)
    case _ => None
  }
}