Install libghc-mono-traversable-instances-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-mono-traversable-instances-doc
Description:
extra typeclass instances for mono-traversable; documentation
Extra typeclass instances for mono-traversable, such as for DList, Comonad, Tree, etc. . This package provides the documentation for a library for the Haskell programming language. See http://www.haskell.org/ for more information on Haskell.
Homepage: https://github.com/snoyberg/mono-traversable
Version: 0.1.0.0-2build8
Section: universe/doc