libghc-monad-memo-dev 0.5.1-1build2 (armhf binary) in ubuntu hirsute

 Memoization monad transformer supporting most of the standard monad
 transformers and a range of memoization cache types: from default
 pure maps to extremely fast mutable vectors.
 .
 This package provides a library for the Haskell programming language.
 See http://www.haskell.org/ for more information on Haskell.