The tree structure is not an object itself, but is emergent from the linkages you create between nodes. No node can be its own mother, or its mother's mother, etc. A node can appear in only one tree, and only once in that tree. B-Trees are a very special case of the above kinds of trees, and are best treated with their own class. See perldoc perlmodinstall for more information on installing modules.
POD is readable with the 'perldoc' utility.
See ChangeLog for recent changes. Visit to find a CPAN site near you. Copyright 1998- by Sean M. Burke , all rights reserved.