libghc-mmorph-dev 1.1.3-2build2 (riscv64 binary) in ubuntu hirsute

 This library provides monad morphism utilities, most commonly used
 for manipulating monad transformer stacks.
 .
 This package provides a library for the Haskell programming language.
 See http://www.haskell.org/ for more information on Haskell.