{ mkDerivation, array, base, containers, deepseq, fetchurl, hspec
, microbench, QuickCheck, transformers
}:
mkDerivation {
  pname = "fgl";
  version = "5.5.4.0";
  src = fetchurl {
    url = "http://example.org/";
    sha256 = "abc";
  };
  libraryHaskellDepends = [
    array base containers deepseq transformers
  ];
  testHaskellDepends = [ base containers hspec QuickCheck ];
  benchmarkHaskellDepends = [ base deepseq microbench ];
  description = "Martin Erwig's Functional Graph Library";
  license = stdenv.lib.licenses.bsd3;
}