Install libghc-chell-prof by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-chell-prof
Description:
Haskell library for simple and intuitive automated testing; profiling libraries
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 a library for the Haskell programming language, compiled for profiling. 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/haskell