libghc-mono-traversable-doc 1.0.5.0-1 (amd64 binary) in ubuntu bionic

 Monomorphic variants of the Functor, Foldable, and Traversable
 typeclasses. Contains even more experimental code for abstracting
 containers and sequences.
 .
 This package provides the documentation for a library for the Haskell
 programming language.
 See http://www.haskell.org/ for more information on Haskell.