Install libghc-yesod-auth-hashdb-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-yesod-auth-hashdb-dev
Description:
HashDB authentication plugin for Yesod web framework
This package is the Yesod.Auth.HashDB plugin, originally included in yesod-auth, but now modified to be more secure and placed in a separate package. . This package provides a library for the Haskell programming language. See http://www.haskell.org/ for more information on Haskell.
Homepage: https://github.com/paul-rouse/yesod-auth-hashdb
Version: 1.6.2-1build4
Section: universe/haskell