A single node in a linked-list-based queue.
| 128 | |
| 129 | |
| 130 | class QueueNode: |
| 131 | """A single node in a linked-list-based queue.""" |
| 132 | |
| 133 | def __init__(self, value: object) -> None: |
| 134 | self.value = value |
| 135 | self.next: QueueNode | None = None |
| 136 | |
| 137 | |
| 138 | class LinkedListQueue(AbstractQueue): |