mirror of
https://github.com/xmonad/xmonad.git
synced 2025-08-13 19:15:44 -07:00
`Functor` is provided by DeriveFunctor. `Foldable` uses `integrate` (`Stack`'s `toList`). `Traversable` uses the `Reverse` Applicative to traverse the `up` list in reverse order.