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  1. or download this
    $Teddy::foo    = 'cash';
    
  2. or download this
    use strict;
    use warnings;
    ...
          $yank: cheese
    
    __END__
    
  3. or download this
        no strict 'refs';       # disable complaint about symbolic referen
    +ce
        no warnings 'once';     # disable complaint about var only used on
    +ce
        ${ *{"${ns}\::foo"} }   = $cram;