avl-tree--mapcavl-tree--mapc is a compiled Lisp function in `
avl-tree.el'. (avl-tree--mapc MAP-FUNCTION ROOT DIR) Apply MAP-FUNCTION to all nodes in the tree starting with ROOT. The function is applied in-order, either ascending (DIR=0) or descending (DIR=1). Note: MAP-FUNCTION is applied to the node and not to the data itself.