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[3.12] GH-109190: Copyedit 3.12 What's New: Typing PEPs (GH-109659) #109684

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Sep 22, 2023
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[3.12] GH-109190: Copyedit 3.12 What's New: Typing PEPs (GH-109659) #109684

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10 changes: 6 additions & 4 deletions Doc/whatsnew/3.12.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -334,7 +334,7 @@ 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 @@ -346,7 +346,7 @@ 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 @@ -390,6 +390,8 @@ 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 @@ -435,8 +437,8 @@ 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
Expand Down