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Re^2: Dumb, non-question: How to return 'nothing'.

by hardburn (Abbot)
on Jun 17, 2011 at 20:09 UTC ( #910253=note: print w/replies, xml ) Need Help??

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  1. or download this
    while( my $next = $iter->() ) {
        $next = $$next;
        ...
    }
    
  2. or download this
    while( my $next = $iter->() ) {
        ($next) = @$next;
        ...
    }
    

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