anchor.diff:            description = "Lenses, Folds and Traversals";
             license = stdenv.lib.licenses.bsd2;
           }) {};
  +      lifted-async = callPackage ({ async, base, constraints, lifted-base, mkDerivation, monad-control, stdenv, transformers-base }:
  +      mkDerivation {
  +          pname = "lifted-async";
  +          version = "0.9.3";
  +          sha256 = "97978307f34c8ab1d765724d723a13fede4112a94fe5fbf3494f00378961b461";
  +          libraryHaskellDepends = [
  +            async
  +            base
  +            constraints
  +            lifted-base
  +            monad-control
  +            transformers-base
  +          ];
  +          doHaddock = false;
  +          doCheck = false;
  +          homepage = "https://github.com/maoe/lifted-async";
  +          description = "Run lifted IO operations asynchronously and wait for their results";
  +          license = stdenv.lib.licenses.bsd3;
  +        }) {};
         lifted-base = callPackage ({ base, mkDerivation, monad-control, stdenv, transformers-base }:
         mkDerivation {
             pname = "lifted-base";
  
positive.code:           description = "Simple and easy network connections API";
            license = stdenv.lib.licenses.bsd3;
          }) {};
        containers = callPackage ({ array, base, deepseq, ghc-prim, mkDerivation, stdenv }:
        mkDerivation {
            pname = "containers";
  
negative.code:           pname = "node-sketch";
            version = "0.2.0.0";
            src = fetchgit {
              url = "https://github.com/serokell/time-warp-nt.git";
              sha256 = "046kqk7m2rhzxk3960fd4jcvar8hcczbg7lv13jpw1g5wvl431fn";
              rev = "48cb189a412c5a606888285944b9a8f32fcd0d30";
            };
            isLibrary = true;
            isExecutable = true;
  