Binary package “libghc-hedgehog-dev” in ubuntu focal

Hedgehog will eat all your bugs

 Hedgehog is a modern property-based testing system, in the spirit of
 QuickCheck. Hedgehog uses integrated shrinking, so shrinks obey the
 invariants of generated values by construction.
 .
 This package provides a library for the Haskell programming language.
 See http://www.haskell.org/ for more information on Haskell.