uniform-algebras (hackage): Simple algebras avoiding too much mathematical underpinning  zero with test isZero, notZero (not a semigroupoid) exports also Maybe and Either  pointless operations, e.g. tuples up to 4 or 5, imported from Algebra of Programming (AOP) prelude  ListForms (a monoid)  Please see the README on GitHub at https://github.com/andrewufrank/uniform-algebras/readme
Keywords: algebra-uniform|gpl|library