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Re: Recursively walk a hash to get to an element

by tlm (Prior)
on Mar 31, 2005 at 02:00 UTC ( #443660=note: print w/ replies, xml ) Need Help??

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  1. or download this
    { \($$a->{$b}) }
    
  2. or download this
    % perl rec_walk.pl
    Can't call method "List::Util::reduce" on unblessed reference at rec_w
    +alk.pl line 9.
    
  3. or download this
    use strict;
    my %myhash;
    ...
      require List::Util;
      return List::Util::reduce { \($$a->{$b}) } \shift, @_;
    }
    
  4. or download this
    use List::Util 'reduce';
    sub pointer_to_element {
      return reduce { \($$a->{$b}) } \shift, @_;
    }
    

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