.circleci Applicative Arrow Bifunctor Category Codensity Comonad Compose Coyoneda Density DifferenceList Either EitherT Foldable Function Functor Identity Kleisli Lan List Monad Monoid NonEmptyList Optional Profunctor Ran Reader ReaderT Semigroup Semigroupoid State StateT Strong Transformer Traversable Tuple Yoneda docs scripts .dir-locals.el Makefile README.md