Install libghc-system-filepath-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-system-filepath-doc
Description:
high-level, byte-based file and directory path manipulations; documentation
Functions for portable file path manipulation. . 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://github.com/fpco/haskell-filesystem
Version: 0.4.13.4-6build2
Section: universe/doc