Install libghc-monads-tf-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-monads-tf-doc
Description:
monad classes, using type families; documentation
Monad classes using type families, with instances for various monad transformers, inspired by the paper /Functional Programming with Overloading and Higher-Order Polymorphism/, by Mark P Jones, in Advanced School of Functional Programming, 1995 (http://web.cecs.pdx.edu/~mpj/pubs/springschool.html). . This package contains the documentation files.
Homepage: http://hackage.haskell.org/package/monads-tf
Version: 0.1.0.3-3build1
Section: universe/doc