libghc-adjunctions-doc 4.3-4build4 (amd64 binary) in ubuntu bionic

 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 the documentation for a library for the Haskell
 programming language.
 See http://www.haskell.org/ for more information on Haskell.