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Re^2: unexpected modify hash in a distance with grep { $_ }

by LanX (Cardinal)
on Dec 20, 2019 at 18:19 UTC ( #11110442=note: print w/replies, xml ) Need Help??

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  1. or download this
    #!/usr/bin/perl 
    
    ...
    
    warn !$$h{y};
    warn Dumper [ keys %$h ];
    
  2. or download this
    C:/Perl_524/bin\perl.exe  d:/tmp/pm/grep_autovivify.pl 
    $VAR1 = [
    ...
              'c',
              'b'
            ];
    

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