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[3.14] gh-140873: Fix the singledispatchmethod documentation (GH-141523)

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It does not support non-descriptor callables yet.
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Serhiy Storchaka 2025-11-18 13:16:39 +02:00 • committed by GitHub
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2 changed files with 2 additions and 3 deletions
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2
Doc/library/functools.rst
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@ -672,7 +672,7 @@ The :mod:`functools` module defines the following functions:
dispatch>` :term:`generic function`. dispatch>` :term:`generic function`.
To define a generic method, decorate it with the ``@singledispatchmethod`` To define a generic method, decorate it with the ``@singledispatchmethod``
decorator. When defining a function using ``@singledispatchmethod``, note decorator. When defining a method using ``@singledispatchmethod``, note
that the dispatch happens on the type of the first non-*self* or non-*cls* that the dispatch happens on the type of the first non-*self* or non-*cls*
argument:: argument::

3
Lib/functools.py
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@ -995,8 +995,7 @@ def wrapper(*args, **kw):
class singledispatchmethod: class singledispatchmethod:
"""Single-dispatch generic method descriptor. """Single-dispatch generic method descriptor.
Supports wrapping existing descriptors and handles non-descriptor Supports wrapping existing descriptors.
callables as instance methods.
""" """
def __init__(self, func): def __init__(self, func):