Install libghc-classy-prelude-yesod-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-classy-prelude-yesod-dev
Description:
Provide a classy prelude including common Yesod functionality.
This is an extension of classy-prelude-conduit, adding in commonly used functions and data types from Yesod. . This package provides a library for the Haskell programming language. See http://www.haskell.org/ for more information on Haskell.
Homepage: https://github.com/snoyberg/classy-prelude
Version: 1.2.0-1build6
Section: universe/haskell