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  1. or download this
    #!perl
    use strict;
    ...
    
    print Dumper(\%dispatch);
    
  2. or download this
    Encountered CODE ref, using dummy placeholder at C:/Perl/lib/Data/Dump
    +er.pm line 179.
    $VAR1 = {
    ...
            };
    $VAR1->{'original_a'} = $VAR1->{'a'};
    
  3. or download this
    perl -MData::Dumper -e "$h{a} = sub{print qq(AAA\n)}; $h{alias} = \&{$
    +h{a}}; print Dumper(\%h)"
    
    ...
              'a' => sub { "DUMMY" },
              'alias' => $VAR1->{'a'}
            };