Cleanup TreeNode implementations#8672

Merged

viirya merged 9 commits intoapache:mainfrom

viirya:refactor_treenode2

Jan 1, 2024

Commits on Dec 28, 2023

Refactor TreeNode and cleanup some implementations
viirya
committed

Commits on Dec 29, 2023

Commits on Dec 30, 2023

avoid cloning in `TreeNode.children_nodes()` implementations where possible using `Cow`
peter-toth
committed
Remove more unnecessary apply_children
viirya
committed

Commits on Dec 31, 2023