Install libghc-profunctors-prof by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-profunctors-prof
Description:
Haskell 98 Profunctors; profiling libraries
Profunctors are a generalization of relations and also of bimodules. They are related to the notion of correspondences. . This package provides a library for the Haskell programming language, compiled for profiling. See http://www.haskell.org/ for more information on Haskell.
Homepage: http://github.com/ekmett/profunctors/
Version: 5.2.1-1build1
Section: universe/haskell