anchor.diff:            pname = "foldl";
             version = "1.2.5";
             sha256 = "aa2d5c3cfb8641163dcdd489e9e0fe481301e94c0e3940fc9e234f8e1b00ec4b";
  +          revision = "1";
  +          editedCabalFile = "02lk5838594mi15bylz2kpcm1c4akbsswj73i7k8xw4ns66iaq04";
             libraryHaskellDepends = [
               base
               bytestring
  
positive.code:           pname = "servant-swagger";
            version = "1.1.3.1";
            sha256 = "e8d85d05f4251b7bdbd7c5f215d90a22eb55a46812bc82469d94d2f07adebb58";
            setupHaskellDepends = [
              base
              Cabal
  
negative.code:       happy = callPackage ({ Cabal, array, base, containers, directory, filepath, mkDerivation, mtl, stdenv }:
        mkDerivation {
            pname = "happy";
            version = "1.19.8";
            sha256 = "4df739965d559e48a9b0044fa6140241c07e8f3c794c6c0a6323024fd7f0d3a0";
            isLibrary = false;
            isExecutable = true;
            setupHaskellDepends = [
  