anchor.diff:      };
     };
   
  +  IOInteractive = buildPerlPackage {
  +    name = "IO-Interactive-0.0.6";
  +    src = fetchurl {
  +      url = mirror://cpan/authors/id/B/BD/BDFOY/IO-Interactive-0.0.6.tar.gz;
  +      sha256 = "9cc016cbd94b500027e137cb5070d19487e4431bf822f0cb534c38b6b2c1038c";
  +    };
  +    meta = {
  +      description = "Utilities for interactive I/O";
  +      license = "perl";
  +    };
  +  };
  +
     IOLockedFile = buildPerlPackage rec {
       name = "IO-LockedFile-0.23";
       src = fetchurl {
  
positive.code:     };
    };
  
    DateTimeFormatNatural = buildPerlPackage rec {
      name = "DateTime-Format-Natural-0.74";
      src = fetchurl {
        url = "mirror://cpan/authors/id/S/SC/SCHUBIGER/${name}.tar.gz";
        sha256 = "0hq33s5frfa8cpj2al7qi0sbmimm5sdlxf0h3b57fjm9x5arlkcn";
      };
      propagatedBuildInputs = [
        DateTime ListMoreUtils ParamsValidate DateCalc
        TestMockTime Boolean
      ];
    };
  
    DateTimeFormatPg = buildPerlPackage {
  
negative.code: 
    TestMore = TestSimple;
  
    TestMost = buildPerlPackage {
      name = "Test-Most-0.31";
      src = fetchurl {
        url = mirror://cpan/authors/id/O/OV/OVID/Test-Most-0.31.tar.gz;
        sha256 = "0ddc6034dc7cde3631dde41ecb558ed823fc07804bfd051b8ec9a70131862ab7";
      };
      propagatedBuildInputs = [ ExceptionClass TestDeep TestDifferences TestException TestWarn ];
      meta = {
        description = "Most commonly needed test functions and features";
        license = "perl";
      };
    };
  
    TestNoWarnings = buildPerlPackage {
      name = "Test-NoWarnings-1.04";
      src = fetchurl {
  