3 (defmethod make-binary-tree-node ((tree patricia-tree) item)
4 (let ((null-node (sentinel-node tree)))
5 (make-instance 'patricia-tree-node
11 (defmethod make-binary-tree ((type (eql :patricia)) &key compfun eqfun keyfun)
12 (let ((sentinel-node (make-sentinel-node 'patricia-tree-node)))
13 (make-instance 'patricia-tree
18 (defmethod insert-at-node ((tree patricia-tree) item parent direction-stack)
21 (defmethod tree-delete-nonempty ((tree patricia-tree) deleted child low-subtree)