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ambv merged 4 commits into from
Jul 26, 2021
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bpo-44490: Add 'Whats New' docs regarding types.Union changes #27215

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bpo-44490: Add 'Whats New' docs regarding types.Union chanages
uriyyo Jul 17, 2021
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Update docs
uriyyo Jul 19, 2021
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uriyyo Jul 19, 2021
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uriyyo Jul 19, 2021
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bpo-44490: Add 'Whats New' docs regarding types.Union chanages
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@uriyyo
uriyyo committed Jul 17, 2021
commit 23ac64f10838711140e6c0e44763df085e674f3b
15 changes: 15 additions & 0 deletions Doc/whatsnew/3.11.rst
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Expand Up @@ -205,6 +205,21 @@ sqlite3
:meth:`~sqlite3.Connection.set_authorizer`.
(Contributed by Erlend E. Aasland in :issue:`44491`.)

typing
------

* Add :attr:`__parameters__` and :meth:`__getitem__` to :class:`types.Union`.
Fix various :class:`types.Union` compatibility issues with :mod:`typing`
module.

.. code-block:: python
>>> from typing import TypeVar
>>> T = TypeVar("T")
>>> (int | T)[float]
int | float

(Contributed by Yurii Karabas in :issue:`44490`.)


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