Install libghc-adjunctions-prof by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-adjunctions-prof
Description:
adjunctions and representable functors for Haskell; profiling libraries
In mathematics, adjoint functors are pairs of functors which stand in a particular relationship with one another, called an adjunction. This package provides adjunctions for Haskell. . This package provides a library for the Haskell programming language, compiled for profiling. See http://www.haskell.org/ for more information on Haskell.
Homepage: http://github.com/ekmett/adjunctions/
Version: 4.3-4build4
Section: universe/haskell