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Re: Explaining Autovivication

by ikegami (Pope)
on Jun 12, 2008 at 08:41 UTC ( #691609=note: print w/replies, xml ) Need Help??

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  1. or download this
    >perl -wle"my @x = @$ref; print $ref"
    Use of uninitialized value in array dereference at -e line 1.
    Use of uninitialized value in print at -e line 1.
    
  2. or download this
    >perl -wle"@$ref = my @x; print $ref"
    ARRAY(0x225228)
    
  3. or download this
    >perl -wle"sub {}->(@$ref); print $ref"
    ARRAY(0x225230)
    
    >perl -wle"for (@$ref) {} print $ref"
    ARRAY(0x225228)
    

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