Install libghc-semigroups-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-semigroups-doc
Description:
Haskell98 semigroups; documentation
It contains a Haskell 98 logically-uninhabited data type used to indicate that a given term should not exist. . 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://github.com/ekmett/semigroups/
Version: 0.18.3-1
Section: universe/doc