8000 gh-91764: Mark version typing.Unpack and LiteralString were added in. by domdfcoding · Pull Request #91817 · python/cpython · GitHub
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gh-91764: Mark version typing.Unpack and LiteralString were added in. #91817

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Merged
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Apr 22, 2022
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gh-91764: Mark version typing.Unpack and LiteralString were added in. #91817

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4 changes: 4 additions & 0 deletions Doc/library/typing.rst
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Expand Up @@ -614,6 +614,8 @@ These can be used as types in annotations and do not support ``[]``.
that generate type checker errors could be vulnerable to an SQL
injection attack.

.. versionadded:: 3.11

.. data:: Never

The `bottom type <https://en.wikipedia.org/wiki/Bottom_type>`_,
Expand Down Expand Up @@ -1383,6 +1385,8 @@ These are not used in annotations. They are building blocks for creating generic
tup: tuple[*Ts] # Syntax error on Python <= 3.10!
tup: tuple[Unpack[Ts]] # Semantically equivalent, and backwards-compatible

.. versionadded:: 3.11

.. class:: ParamSpec(name, *, bound=None, covariant=False, contravariant=False)

Parameter specification variable. A specialized version of
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