Revision as of 09:47, 11 April 2023 edit 182.73.15.66 (talk) →Example Tag: Reverted ← Previous edit		Revision as of 09:47, 11 April 2023 edit undo 182.73.15.66 (talk) →Example Tag: Reverted Next edit →
Line 46: } ~~One may implement a tree size procedure recursively:~~ ~~'''function''' tree_size(node){~~ ~~return 1 + tree_size(node.left) + tree_size(node.right)~~ } Since the child nodes may not exist, one must modify the procedure by adding non-existence or null checks:

Null object pattern: Difference between revisions