Install libghc-pretty-show-prof by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-pretty-show-prof
Description:
Profiling libraries for pretty printing Haskell data structures; profiling libraries
A library that can parse derived Show instances into a generic data structure which can then be pretty printed. For complex data structures, the pretty printed version is significantly more readable that the standard Show output. . 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://wiki.github.com/yav/pretty-show
Version: 1.6.15-1
Section: universe/haskell