interface LinkedListNode<T> {
    val T.next: T?
    val T.seq: Sequence<T>
        get() = sequence {
            yield(this@seq)
            next?.run { yieldAll(seq) }
        }
}

object ViewParentListNode : LinkedListNode<View> {
    override val View.next: View?
        get() = parent as? View
}

val View.parents get() = ViewParentListNode.run { seq }