diff options
| author | qudongfang <qudongfang@users.noreply.github.com> | 2020-05-18 03:50:51 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-05-18 03:50:51 (GMT) |
| commit | bb8635cc3bc3dd65996803849ee1a91cfbebae9c (patch) | |
| tree | 3e067b2201e69a2aa93470a9cbd8fe7f372fd3e2 | |
| parent | 3a855b26aed02abf87fc1163ad0d564dc3da1ea3 (diff) | |
| download | cpython-bb8635cc3bc3dd65996803849ee1a91cfbebae9c.zip cpython-bb8635cc3bc3dd65996803849ee1a91cfbebae9c.tar.gz cpython-bb8635cc3bc3dd65996803849ee1a91cfbebae9c.tar.bz2 | |
bpo-40651: Improve LRU recipe in the OrderedDict documentation (GH-#20139)
| -rw-r--r-- | Doc/library/collections.rst | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Doc/library/collections.rst b/Doc/library/collections.rst index c9533a3..549ac1b 100644 --- a/Doc/library/collections.rst +++ b/Doc/library/collections.rst @@ -1161,6 +1161,8 @@ variants of :func:`functools.lru_cache`:: return value def __setitem__(self, key, value): + if key in self: + self.move_to_end(key) super().__setitem__(key, value) if len(self) > self.maxsize: oldest = next(iter(self)) |