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| author | Curtis Bucher <cpbucher5@gmail.com> | 2020-03-23 13:49:46 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-03-23 13:49:46 -0700 |
| commit | 25e580a73c163f472fdeb5489bebef85da21655c (patch) | |
| tree | ae7ee5d6817eb0efd91e6fd2db0237071fb05b06 /Doc/library | |
| parent | 8dd1792c680caaf94a00cead82b238238f419172 (diff) | |
| download | cpython-git-25e580a73c163f472fdeb5489bebef85da21655c.tar.gz | |
bpo-36144: Add union operators to WeakKeyDictionary (#19106)
Diffstat (limited to 'Doc/library')
| -rw-r--r-- | Doc/library/weakref.rst | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Doc/library/weakref.rst b/Doc/library/weakref.rst index 8636e76c52..c10f436bea 100644 --- a/Doc/library/weakref.rst +++ b/Doc/library/weakref.rst @@ -171,6 +171,9 @@ Extension types can easily be made to support weak references; see performed by the program during iteration may cause items in the dictionary to vanish "by magic" (as a side effect of garbage collection). + .. versionchanged:: 3.9 + Added support for ``|`` and ``|=`` operators, specified in :pep:`584`. + :class:`WeakKeyDictionary` objects have an additional method that exposes the internal references directly. The references are not guaranteed to be "live" at the time they are used, so the result of calling the references |