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[3.13] gh-141004: Document PyType_Unwatch (GH-141414) (GH-141419)

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gh-141004: Document `PyType_Unwatch` (GH-141414)
(cherry picked from commit 759a048d4b)

Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
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Miss Islington (bot) 2025-11-11 18:28:52 +01:00 • committed by GitHub
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Doc/c-api/type.rst
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@ -116,6 +116,20 @@ Type Objects
.. versionadded:: 3.12
.. c:function:: int PyType_Unwatch(int watcher_id, PyObject *type)
Mark *type* as not watched. This undoes a previous call to
:c:func:`PyType_Watch`. *type* must not be ``NULL``.
An extension should never call this function with a *watcher_id* that was
not returned to it by a previous call to :c:func:`PyType_AddWatcher`.
On success, this function returns ``0``. On failure, this function returns
``-1`` with an exception set.
.. versionadded:: 3.12
.. c:type:: int (*PyType_WatchCallback)(PyObject *type)
Type of a type-watcher callback function.