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GH-109190: Copyedit 3.12 What's New: Typing PEPs by AA-Turner · Pull Request #109659 · python/cpython · GitHub

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GH-109190: Copyedit 3.12 What's New: Typing PEPs #109659

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hugovk merged 4 commits into from
Sep 21, 2023
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GH-109190: Copyedit 3.12 What's New: Typing PEPs #109659

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c5e77bd
Typing PEPs: Inline the PEP 484 reference
AA-Turner Sep 8, 2023
3249101
692: Replace "This PEP" with "PEP 692"
AA-Turner Sep 8, 2023
3f726d5
698: Add PEP link
AA-Turner Sep 8, 2023
c044f5e
695: Fix case of rendered text
AA-Turner Sep 8, 2023
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10 changes: 6 additions & 4 deletions Doc/whatsnew/3.12.rst
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Expand Up @@ -333,7 +333,7 @@ See :mod:`sys.monitoring` for details.
New Features Related to Type Hints
==================================

This section covers major changes affecting :pep:`484` type hints and
This section covers major changes affecting :pep:`type hints <484>` and
the :mod:`typing` module.

.. _whatsnew312-pep692:
Expand All @@ -345,7 +345,7 @@ Typing ``**kwargs`` in a function signature as introduced by :pep:`484` allowed
for valid annotations only in cases where all of the ``**kwargs`` were of the
same type.

This PEP specifies a more precise way of typing ``**kwargs`` by relying on
:pep:`692` specifies a more precise way of typing ``**kwargs`` by relying on
typed dictionaries::

from typing import TypedDict, Unpack
Expand Down Expand Up @@ -389,6 +389,8 @@ Example::
def get_colour(self) -> str:
return "red"

See :pep:`698` for more details.

(Contributed by Steven Troxler in :gh:`101561`.)

.. _whatsnew312-pep695:
Expand Down Expand Up @@ -434,8 +436,8 @@ parameters with bounds or constraints::

The value of type aliases and the bound and constraints of type variables
created through this syntax are evaluated only on demand (see
:ref:`lazy-evaluation`). This means type aliases are able to refer to other
types defined later in the file.
:ref:`lazy evaluation <lazy-evaluation>`). This means type aliases are able to
refer to other types defined later in the file.

Type parameters declared through a type parameter list are visible within the
scope of the declaration and any nested scopes, but not in the outer scope. For
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