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Hash key composition with a comma?

by mpersico (Monk)
on Mar 16, 2018 at 20:09 UTC ( [id://1211078]=perlquestion: print w/replies, xml ) Need Help??

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  1. or download this
    my %hash;
my $foo = 'hello';
my $bar = 'world';
...
$hash{ $foo, $bar, $baz } = '##eek what magic is this?';
print $hash{"$foo\x{1c}$bar\x{1c}$baz"};

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