Source position: avl_tree.pp line 152
| public function TAVLTree.FindPrecessor( | 
| ANode: TAVLTreeNode | 
| ):TAVLTreeNode; | 
| ANode | 
 | The node from which to start the search. | 
The preceding node.
FindPrecessor returns the successor to ANode: this is the rightmost node in the left subtree, or the rightmost node above the node ANode. This can of course be Nil.
This method is used when a node must be inserted at the leftmost position.
| 
 | Find successor to node. | |
| 
 | Move data to the nearest left element. |