avl-tree--del-balance

avl-tree--del-balance is a compiled Lisp function in `avl-tree.el'.

(avl-tree--del-balance NODE BRANCH DIR)

Rebalance a tree after deleting a node.
The deletion was done from the left (DIR=0) or right (DIR=1) sub-tree of the
left (BRANCH=0) or right (BRANCH=1) child of NODE.
Return t if the height of the tree has shrunk.