anchor.diff:      version = "0.015";
       src = fetchurl {
         url = "mirror://cpan/authors/id/E/ET/ETHER/MooseX-Types-LoadableClass-0.015.tar.gz";
  -      sha256 = "e037d3778253dcf92946435715bada0e6449c0a2808fa3ff32a965064d5a3bf4";
  +      hash = "sha256-4DfTd4JT3PkpRkNXFbraDmRJwKKAj6P/MqllBk1aO/Q=";
       };
       buildInputs = [ ModuleBuildTiny TestFatal ];
       propagatedBuildInputs = [ MooseXTypes ];
  
positive.code:     version = "1.06";
      src = fetchurl {
        url = "mirror://cpan/authors/id/B/BH/BHALLISSY/Font-TTF-1.06.tar.gz";
        sha256 = "4b697d444259759ea02d2c442c9bffe5ffe14c9214084a01f743693a944cc293";
      };
      buildInputs = [ IOString ];
      meta = {
  
negative.code:     version = "0.75";
      src = fetchurl {
        url = "mirror://cpan/authors/id/I/IN/INGY/Pegex-0.75.tar.gz";
        hash = "sha256-TcjTNd6AslJHzbP5RvDRDZugs8NLDtfQAxb9Bo/QXtw=";
      };
      buildInputs = [ TestPod TieIxHash ];
      propagatedBuildInputs = [ FileShareDirInstall XXX ];
  