{ mkDerivation, base, fetchurl, transformers
, writer-cps-transformers
}:
mkDerivation {
  pname = "transformers-lift";
  version = "0.2.0.1";
  src = fetchurl {
    url = "http://example.org/";
    sha256 = "abc";
  };
  libraryHaskellDepends = [
    base transformers writer-cps-transformers
  ];
  description = "Ad-hoc type classes for lifting";
  license = stdenv.lib.licenses.bsd3;
}