libghc-cabal-doctest-doc 1.0.6-3build1 (amd64 binary) in ubuntu eoan

 Currently (beginning of 2017), there isn't a `cabal doctest`
 command. Yet to properly work, doctest needs plenty of configuration.
 This library provides the common bits for writing custom Setup.hs
 until that is resolved.
 .
 This package provides the documentation for a library for the Haskell
 programming language.
 See http://www.haskell.org/ for more information on Haskell.