lastLens :: Lens.Traversal' [a] a
lastLens = Lens.taking 1 . Lens.backwards $ Lens.traversed
lastLens :: Lens.Traversal' [a] a
lastLens = Lens.taking 1 . Lens.backwards $ Lens.traversed
lastLens = Lens.taking 1 . Lens.backwards $ Lens.traversed