anchor.diff:      };
     };
   
  -  SelfLoader = null; # part of Perl 5.28
  -
     SerealDecoder = buildPerlPackage rec {
       name = "Sereal-Decoder-4.005";
       src = fetchurl {
  
positive.code:     };
      buildInputs = [ TestWarn XMLParserLite ];
    };
  
    Socket = null; # part of Perl 5.28
  
    Socket6 = buildPerlPackage rec {
      name = "Socket6-0.29";
  
negative.code:     };
    };
  
    TestHarnessStraps = buildPerlModule {
      name = "Test-Harness-Straps-0.30";
      src = fetchurl {
  