bpo-40651: Improve LRU recipe in the OrderedDict documentation (GH-#20139)

2020-05-18 04:50:51 +01:00 · 2020-05-18 04:50:51 +01:00 · bb8635cc3b
parent 3a855b26ae
commit bb8635cc3b
1 changed files with 2 additions and 0 deletions
--- 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))