Install libghc-appar-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-appar-doc
Description:
A simple applicative parser in Parsec style; documentation
This is a simple applicative parser. . This package provides the documentation for a library for the Haskell programming language. See http://www.haskell.org/ for more information on Haskell.
Homepage: http://hackage.haskell.org/package/appar
Version: 0.1.4-7build1
Section: universe/doc