libghc-utility-ht-doc binary package in Ubuntu Focal arm64

 This library provides various small helper functions for Lists, Maybes,
 Tuples and Functions. Some of these functions are improved implementations
 of standard functions. They have the same name as their standard
 counterparts.
 .
 This package provides the documentation for a library for the Haskell
 programming language.
 See http://www.haskell.org/ for more information on Haskell.

Source package