{cabal, parsec}: cabal.mkDerivation (self : { pname = "MonadLab"; version = "0.0.1"; sha256 = "06fdfkm79653s08ykcf3gl84cf2jl7h3vj00jv3khji5448fwsaw"; meta = { description = "Automatically generate layered monads."; }; propagatedBuildInputs = [parsec]; })