Yep. I think it is needed to satisfy some category theory thing but I never got a good answer on that. I like to use nri-prelude since I went from Elm to Haskel

Yep. I think it is needed to satisfy some category theory thing but I never got a good answer on that. I like to use nri-prelude since I went from Elm to Haskell and it has the same idioms, to wit `head : List a -> Maybe a`.