Install libghc-chell-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-chell-doc
Description:
Haskell library for simple and intuitive automated testing; documentation
Chell is a simple and intuitive library for automated testing. It natively supports assertion-based testing, and can use companion libraries to support more complex testing strategies. . 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://john-millikin.com/software/chell/
Version: 0.4.0.2-1
Section: universe/doc