Install libghc-wai-handler-launch-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-wai-handler-launch-dev
Description:
WAI handler for launching in a web browser
This WAI handler for launching in a web browser handles cross-platform launching and inserts JavaScript code to ping the server. When the server no longer receives pings, it shuts down. . This package provides a library for the Haskell programming language. See http://www.haskell.org/ for more information on Haskell.
Homepage: http://hackage.haskell.org/package/wai-handler-launch
Version: 3.0.2.3-1build4
Section: universe/haskell