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same(BinarySearchTree) - Method in class trees.BinarySearchTree

This method determines whether the parameter and the current object tree have the same keys (ignore the values the key are mapped to).

sameShape(BinarySearchTree) - Method in class trees.BinarySearchTree

This method determines whether the parameter and the current object tree have the same shape (we don't care about keys/values).

size() - Method in class trees.BinarySearchTree

This method computes the tree size.

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