Install libghc-unlambda-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-unlambda-doc
Description:
Unlambda interpreter library; documentation
It is an interpreter of the Unlambda language, written in the pure, lazy, functional language Haskell. . 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/unlambda
Version: 0.1.4.2-2build1
Section: universe/doc