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Merged
gvanrossum merged 4 commits into from
Oct 7, 2020
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bpo-41923: PEP 613: Add TypeAlias to typing module #22532

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c15b706
bpo-41923: PEP 613: Add TypeAlias to typing module
east825 Oct 3, 2020
b5a088d
Merge branch 'master' of github.com:python/cpython into bpo-41923_PEP…
east825 Oct 5, 2020
c49533f
Draft the bare-bones documentation for TypeAlias
east825 Oct 6, 2020
1c2fecf
Fix PEPNNN heading titles
gvanrossum Oct 7, 2020
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Fix PEPNNN heading titles 
These should be PEP NNN.
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@gvanrossum
gvanrossum authored Oct 7, 2020
commit 1c2fecffbcc4fbb7224362dc37dc66c36afd1908
8 changes: 4 additions & 4 deletions Doc/whatsnew/3.10.rst
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Expand Up @@ -82,8 +82,8 @@ New Features
* :pep:`618`: The :func:`zip` function now has an optional ``strict`` flag, used
to require that all the iterables have an equal length.

PEP613: TypeAlias Annotation
----------------------------
PEP 613: TypeAlias Annotation
-----------------------------

:pep:`484` introduced the concept of type aliases, only requiring them to be
top-level unannotated assignments. This simplicity sometimes made it difficult
Expand All @@ -103,8 +103,8 @@ See :pep:`613` for more details.

(Contributed by Mikhail Golubev in :issue:`41923`.)

PEP604: New Type Operator
-------------------------
PEP604: New Type Union Operator
-------------------------------

A new type union operator was introduced which enables the syntax ``X | Y``.
This provides a cleaner way of expressing 'either type X or type Y' instead of
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