avl-tree--do-enteravl-tree--do-enter is a compiled Lisp function in `
avl-tree.el'. (avl-tree--do-enter CMPFUN ROOT BRANCH DATA &optional UPDATEFUN) Enter DATA in BRANCH of ROOT node. (See `avl-tree-enter' for UPDATEFUN). Return cons cell (GREW . DATA), where GREW is t if height of tree ROOT has grown and nil otherwise, and DATA is the inserted data.