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| author | Brandt Bucher <brandtbucher@gmail.com> | 2020-03-07 19:03:09 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-03-07 19:03:09 (GMT) |
| commit | 4663f66f3554dd8e2ec130e40f6abb3c6a514775 (patch) | |
| tree | 479bda23ce4895419248e76431066a81d9088c94 /Doc | |
| parent | 8f130536926a30237b5297780d61ef4232e88577 (diff) | |
| download | cpython-4663f66f3554dd8e2ec130e40f6abb3c6a514775.zip cpython-4663f66f3554dd8e2ec130e40f6abb3c6a514775.tar.gz cpython-4663f66f3554dd8e2ec130e40f6abb3c6a514775.tar.bz2 | |
bpo-36144: Update MappingProxyType with PEP 584's operators (#18814)
We make `|=` raise TypeError, since it would be surprising if `C.__dict__ |= {'x': 0}` silently did nothing, while `C.__dict__.update({'x': 0})` is an error.
Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/library/types.rst | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Doc/library/types.rst b/Doc/library/types.rst index 3529c2b..4cb91c1 100644 --- a/Doc/library/types.rst +++ b/Doc/library/types.rst @@ -282,6 +282,11 @@ Standard names are defined for the following types: .. versionadded:: 3.3 + .. versionchanged:: 3.9 + + Updated to support the new union (``|``) operator from :pep:`584`, which + simply delegates to the underlying mapping. + .. describe:: key in proxy Return ``True`` if the underlying mapping has a key *key*, else |