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Re: Explaining Autovivication

by pc88mxer (Vicar)
on Jun 11, 2008 at 23:03 UTC ( [id://691561]=note: print w/replies, xml ) Need Help??


in reply to Explaining Autovivication

Wikipedia has a pretty good explanation: Autovivification.

Another example: 

$hash->{$x}->{$y} = 1;  # with autovivification

( $hash->{$x} ||= {} )->{$y} = 1; # without

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