Representation of one item in a doubly-linked list.
| 4 | |
| 5 | |
| 6 | class Link: |
| 7 | """Representation of one item in a doubly-linked list.""" |
| 8 | |
| 9 | __slots__ = ("prev", "next", "key", "__weakref__") |
| 10 | prev: "Link" |
| 11 | next: "Link" |
| 12 | key: str |
| 13 | |
| 14 | |
| 15 | class OrderedSet(t.MutableSet[str]): |