Install libghc-data-default-class-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-data-default-class-doc
Description:
type class for default values; documentation
This package defines a type class Default for types with a default value. . 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/data-default-class
Version: 0.1.2.0-2build1
Section: universe/doc