anchor.diff:            description = "Simple and easy network connections API";
             license = stdenv.lib.licenses.bsd3;
           }) {};
  -      constraints = callPackage ({ base, binary, deepseq, ghc-prim, hashable, mkDerivation, mtl, stdenv, transformers, transformers-compat }:
  -      mkDerivation {
  -          pname = "constraints";
  -          version = "0.9.1";
  -          sha256 = "11d76051i2a335bvack04dqvsz4zhgcms1jxlvy4a4c670l02vi7";
  -          libraryHaskellDepends = [
  -            base
  -            binary
  -            deepseq
  -            ghc-prim
  -            hashable
  -            mtl
  -            transformers
  -            transformers-compat
  -          ];
  -          doHaddock = false;
  -          doCheck = false;
  -          homepage = "http://github.com/ekmett/constraints/";
  -          description = "Constraint manipulation";
  -          license = stdenv.lib.licenses.bsd2;
  -        }) {};
         containers = callPackage ({ array, base, deepseq, ghc-prim, mkDerivation, stdenv }:
         mkDerivation {
             pname = "containers";
  
positive.code:             graphviz
              kademlia
              lens
              lifted-async
              log-warper
              MonadRandom
              mtl
  
negative.code:           homepage = "http://github.com/lens/lens-aeson/";
            description = "Law-abiding lenses for aeson";
            license = stdenv.lib.licenses.mit;
          }) {};
        lifted-base = callPackage ({ base, mkDerivation, monad-control, stdenv, transformers-base }:
        mkDerivation {
  