anchor.diff:  
   buildDunePackage rec {
     pname = "torch";
  -  version = "0.9b";
  +  version = "0.10";
   
     minimumOCamlVersion = "4.07";
   
  
positive.code: { lib
  , buildDunePackage
  , fetchFromGitHub
  , cmdliner
  
negative.code:     owner = "LaurentMazare";
      repo   = "ocaml-${pname}";
      rev    = version;
      sha256 = "1rqrv6hbical8chk0bl2nf60q6m4b5d1gab9fc5q03vkz2987f9b";
    };
  
    propagatedBuildInputs = [
  