anchor.diff:      owner = "fdopen";
       repo = "ppx_cstubs";
       rev = version;
  -    sha256 = "0rgg78435ypi6ryhcq5ljkch4qjvra2jqjd47c2hhhcbwvi2ssxh";
  +    sha256 = "15cjb9ygnvp2kv85rrb7ncz7yalifyl7wd2hp2cl8r1qrpgi1d0w";
     };
   
     buildInputs = [
  
positive.code: 
    meta = with lib; {
      homepage = "https://github.com/fdopen/ppx_cstubs";
      description = "Preprocessor for easier stub generation with ocaml-ctypes";
      license = licenses.mit;
      maintainers = [ maintainers.osener ];
    };
  }
  
negative.code: 
  buildDunePackage rec {
    pname = "ppx_cstubs";
    version = "0.6.1.2";
  
    useDune2 = true;
  
  