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Tree traversal without recursion: the tree as a state machine

by Aristotle (Chancellor)
on Feb 16, 2007 at 15:22 UTC ( #600456=perlmeditation: print w/ replies, xml ) Need Help??

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  1. or download this
    sub traverse_tree {
        my ( $tree_root, $visitor_callback ) = @_;
    ...
            ( $prev_node, $curr_node ) = ( $curr_node, $next_node );
        }
    }
    
  2. or download this
    sub traverse_tree {
        my ( $tree_root, $visitor_callback ) = @_;
    ...
            ( $prev_node, $curr_node ) = ( $curr_node, $next_node );
        }
    }
    

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