anchor.diff:        url = "mirror://cpan/authors/id/J/JS/JSWARTZ/${name}.tar.gz";
         sha256 = "c7f1a2b3570a8fede484e933f89ba1729e0abd05935791d146c522dd120ee851";
       };
  +    preConfigure = stdenv.lib.optionalString (stdenv.lib.versionAtLeast perl.version "5.26") ''
  +      # fix error 'Unescaped left brace in regex is illegal here in regex'
  +      substituteInPlace lib/CHI/t/Driver/Subcache/l1_cache.pm --replace 'qr/CHI stats: {' 'qr/CHI stats: \{'
  +    '';
       buildInputs = [ TestClass TestDeep TestException TestWarn TimeDate ];
       propagatedBuildInputs = [ CarpAssert ClassLoad DataUUID DigestJHash HashMoreUtils JSONMaybeXS ListMoreUtils LogAny Moo MooXTypesMooseLikeNumeric StringRewritePrefix TaskWeaken TimeDuration TimeDurationParse ];
       meta = {
  
positive.code:       url = "mirror://cpan/authors/id/E/EV/EVO/${name}.tar.gz";
        sha256 = "0ricb0mn0i06ngfhq5y035yx8i7ahlx83yyqwixqmv6hg4p79b5c";
      };
    };
  
    ClassMethodMaker = buildPerlPackage rec {
  
negative.code:       license = licenses.gpl3;
        platforms = platforms.all;
        maintainers = with maintainers; [ pSub ];
        broken = true;
      };
    };
  
  