{cabal}:

cabal.mkDerivation (self : {
  pname = "transformers";
  version = "0.2.1.0";
  sha256 = "1ff9768e60130810e888452b6052d64998d0651fe2835902f032d8f8182a2c6d";
  meta = {
    description = "Concrete functor and monad transformers";
  };
})