Install libghc-tasty-hspec-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-tasty-hspec-doc
Description:
Tasty test framework, Hspec support; documentation
Hspec support for the Tasty test framework. . 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://github.com/mitchellwrosen/tasty-hspec
Version: 1.1.3.2-1build4
Section: universe/doc