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Aug 20, 2025
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gh-137900:Reorganize dataclasses frozen parameter documentation #137937

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Doc: Improve dataclasses frozen parameter documentation
tangyuan0821 Aug 19, 2025
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Update the description of the TypeError exception regarding freezing …
tangyuan0821 Aug 20, 2025
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8 changes: 5 additions & 3 deletions Doc/library/dataclasses.rst
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Expand Up @@ -161,9 +161,11 @@ Module contents
:class:`object`, this means it will fall back to id-based hashing).

- *frozen*: If true (the default is ``False``), assigning to fields will
generate an exception. This emulates read-only frozen instances. If
:meth:`~object.__setattr__` or :meth:`~object.__delattr__` is defined in the class, then
:exc:`TypeError` is raised. See the discussion below.
generate an exception. This emulates read-only frozen instances.
See the :ref:`discussion <dataclasses-frozen>` below.

If :meth:`~object.__setattr__` or :meth:`~object.__delattr__` is defined in the class,
then :exc:`TypeError` is raised.

- *match_args*: If true (the default is ``True``), the
:attr:`~object.__match_args__` tuple will be created from the list of
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