{ mkDerivation, base, fetchurl, hspec, lens, QuickCheck
, template-haskell, transformers
}:
mkDerivation {
  pname = "quickcheck-arbitrary-adt";
  version = "0.2.0.0";
  src = fetchurl {
    url = "http://example.org/";
    sha256 = "abc";
  };
  libraryHaskellDepends = [ base QuickCheck ];
  testHaskellDepends = [
    base hspec lens QuickCheck template-haskell transformers
  ];
  homepage = "https://github.com/plow-technologies/quickcheck-arbitrary-adt#readme";
  description = "Generic typeclasses for generating arbitrary ADTs";
  license = stdenv.lib.licenses.bsd3;
}