Install libghc-hspec-contrib-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-hspec-contrib-doc
Description:
contributed functionality for Hspec; documentation
This package provides additional useful functionality for Hspec. . This package provides the documentation for a library for the Haskell programming language. See http://www.haskell.org/ for more information on Haskell.
Homepage: http://hspec.github.io/
Version: 0.4.0-2build1
Section: universe/doc