Sky.Core.Maybe Sky.Core.Maybe — combinators over the Maybe ADT. Values toResult : e -> Maybe a -> Result e a `toResult err maybe` — `Just a` becomes `Ok a`, `Nothing` becomes withDefault map andThen map2 map3 map4 map5 andMap combine v0.17 step-6 CPS rewrite (Limitation #8): the public binding is isJust isNothing