{ mkDerivation, base, fetchurl, transformers }:
mkDerivation {
  pname = "stack-type";
  version = "0.1.0.0";
  src = fetchurl {
    url = "http://example.org/";
    sha256 = "abc";
  };
  libraryHaskellDepends = [ base transformers ];
  homepage = "https://github.com/aiya000/hs-stack-type";
  description = "The basic stack type";
  license = stdenv.lib.licenses.mit;
}