Method cursor

dns/btree.py:737–739

Create a cursor.

(self)

        self.root._visit_preorder_by_node(visit)

    def cursor(self) -> Cursor[KT, ET]:
        """Create a cursor."""
        return Cursor(self)

    def register_cursor(self, cursor: Cursor) -> None:
        """Register a cursor for the automatic parking service."""