Install libghc-text-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-text-doc
Description:
efficient packed Unicode text type for Haskell; documentation
This is a Haskell time and space-efficient implementation of Unicode text using packed Word16 arrays. Suitable for performance critical use, both in terms of large data quantities and high speed. . It supports many basic string operations and has some substring search tools. . This package provides the documentation for a library for the Haskell programming language. See http://www.haskell.org/ for more information on Haskell.
Homepage: https://github.com/bos/text
Version: 1.2.2.2-1
Section: universe/doc