Which is shown nicely by: 

#!/usr/bin/perl

use Data::Dumper;

$hash{+undef} = "pleasure";
$hash{''} = "pain";

print Dumper(\%hash);

[download]

Outputs: 

$VAR1 = {
          '' => 'pain',
        };

[download]

--
Steve Marvell

In reply to Re: Re: Re: null keys by marvell
in thread null keys by hakkr

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