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| author | Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> | 2020-11-19 17:59:10 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-11-19 17:59:10 (GMT) |
| commit | 1051ca4d974ebb6448f58b661aa28f8aff325ed3 (patch) | |
| tree | 433fe83d7e555388a990635132dd4c8633875503 /Doc/library | |
| parent | 2acd9d0c6ccf0b4360e3b63beddb97996bcb9bb1 (diff) | |
| download | cpython-1051ca4d974ebb6448f58b661aa28f8aff325ed3.zip cpython-1051ca4d974ebb6448f58b661aa28f8aff325ed3.tar.gz cpython-1051ca4d974ebb6448f58b661aa28f8aff325ed3.tar.bz2 | |
bpo-42345: Add whatsnew and versionchanged for typing.Literal in 3.9 (GH-23386)
* Whatsnew entry in 3.9 same as the one in 3.10.
* versionchanged for typing.Literal docs
Needs backport to 3.9.
(cherry picked from commit e1dc0db8c7cb8c4d7343e051ba85146b375bb8e0)
Co-authored-by: kj <28750310+Fidget-Spinner@users.noreply.github.com>
Diffstat (limited to 'Doc/library')
| -rw-r--r-- | Doc/library/typing.rst | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Doc/library/typing.rst b/Doc/library/typing.rst index 42a89ce..28c607e 100644 --- a/Doc/library/typing.rst +++ b/Doc/library/typing.rst @@ -655,6 +655,12 @@ These can be used as types in annotations using ``[]``, each having a unique syn .. versionadded:: 3.8 + .. versionchanged:: 3.9.1 + ``Literal`` now de-duplicates parameters. Equality comparison of + ``Literal`` objects are no longer order dependent. ``Literal`` objects + will now raise a :exc:`TypeError` exception during equality comparisons + if one of their parameters are not :term:`immutable`. + .. data:: ClassVar Special type construct to mark class variables. |