ListEnd¶ final class ntoseye.ListEnd¶ Subclass of BaseRecord. The end condition of a guest linked-list walk. property address: int | None¶ The address where a cycle closed. property error: str | None¶ The problem with a corrupt link. Some walks also set this for a null link. property kind: str¶ head (the walk came back to the list head), null, cycle (a loop that does not go through the head), bound (the walk reached its limit), or corrupt.