anchor.diff:        url = mirror://cpan/authors/id/D/DR/DROLSKY/DateTime-Format-ICal-0.09.tar.gz;
         sha256 = "8b09f6539f5e9c0df0e6135031699ed4ef9eef8165fc80aefeecc817ef997c33";
       };
  -    propagatedBuildInputs = [ DateTime DateTimeEventICal DateTimeSet DateTimeTimeZone ParamsValidate ];
  +    buildInputs = [ ModuleBuild ];
  +    propagatedBuildInputs = [ DateTime DateTimeEventICal DateTimeSet DateTimeTimeZone ];
       meta = {
         description = "Parse and format iCal datetime and duration strings";
         license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
  
positive.code:     };
    };
  
    TestMemoryCycle = buildPerlPackage {
      name = "Test-Memory-Cycle-1.04";
      src = fetchurl {
        url = mirror://cpan/authors/id/P/PE/PETDANCE/Test-Memory-Cycle-1.04.tar.gz;
        sha256 = "09qj48gmj25xgm0k12n1xx7chdk9gdy3sck4pabvzs0v00nmv9p5";
      };
      propagatedBuildInputs = [ DevelCycle PadWalker ];
      meta = {
        description = "Verifies code hasn't left circular references";
        maintainers = with maintainers; [ ocharles ];
        platforms   = stdenv.lib.platforms.unix;
      };
    };
  
  
negative.code:       sha256 = "ff0c963f5e8304acb5f64bdf9ba1f19284311148e1a8f0d1f81f123f9950f5f2";
      };
      buildInputs = [ ModuleBuildTiny TestDeep TestWarnings perl ];
      propagatedBuildInputs = [ MooseXTypes ];
      meta = {
        homepage = https://github.com/moose/MooseX-Types-Common;
        description = "A library of commonly used type constraints";
  