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  1. or download this
      2 package MyArray;
      3 use base qw(autobox);
    ...
     19
     20 say "one:two:three:four"->split(':')->uc();
    
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      1
      2 use feature 'say';
    ...
      7
      8
      9 say "one:two:three:four"->split(':')->uc();
    
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      1
      2
    ...
     16
     17 my $w = uc "a";
     18 say $w;