{ mkDerivation, base, fetchurl, QuickCheck, unfoldable-restricted
}:
mkDerivation {
  pname = "quickcheck-combinators";
  version = "0.0.2";
  src = fetchurl {
    url = "http://example.org/";
    sha256 = "abc";
  };
  libraryHaskellDepends = [ base QuickCheck unfoldable-restricted ];
  description = "Simple type-level combinators for augmenting QuickCheck instances";
  license = stdenv.lib.licenses.bsd3;
}