I'm trying to make a binary tree object which uses a recursively called new() method to create a tree n nodes deep

I would think that the basic interface is wrong. "new" should create a "virgin" tree. There should be another method to add leaves to this tree $bin_tree->add_leaf(...), perhaps? I would not use the "new" method for this purpose.

In reply to Re: recursive creation of attached objects? by Marshall
in thread recursive creation of attached objects? by Anonymous Monk

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