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Merged
terryjreedy merged 6 commits into from
Jun 22, 2021
Merged

bpo-41621: More accurate signature for defaultdict #21945

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0416a77
More accurate signature for defaultdict
sweeneyde Aug 24, 2020
e79c518
📜🤖 Added by blurb_it.
blurb-it[bot] Aug 24, 2020
a00f09f
fix docstring
sweeneyde Aug 24, 2020
663b335
Merge branch 'dddoc' of https://github.com/sweeneyde/cpython into dddoc
sweeneyde Aug 24, 2020
4e03362
Update Doc/library/collections.rst
sweeneyde Aug 29, 2020
9c2462d
Update 2020-08-24-13-35-04.bpo-41621.nqaw9G.rst
terryjreedy Jun 22, 2021
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4 changes: 2 additions & 2 deletions Doc/library/collections.rst
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Expand Up @@ -698,9 +698,9 @@ stack manipulations such as ``dup``, ``drop``, ``swap``, ``over``, ``pick``,
:class:`defaultdict` objects
----------------------------

.. class:: defaultdict([default_factory[, ...]])
.. class:: defaultdict(default_factory=None, /, [...])

Returns a new dictionary-like object. :class:`defaultdict` is a subclass of the
Return a new dictionary-like object. :class:`defaultdict` is a subclass of the
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built-in :class:`dict` class. It overrides one method and adds one writable
instance variable. The remaining functionality is the same as for the
:class:`dict` class and is not documented here.
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1 change: 1 addition & 0 deletions Misc/NEWS.d/next/Documentation/2020-08-24-13-35-04.bpo-41621.nqaw9G.rst
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@@ -0,0 +1 @@
Document that :class:`collections.defaultdict` parameter ``default_factory`` defaults to None and is positional-only.
2 changes: 1 addition & 1 deletion Modules/_collectionsmodule.c
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Expand Up @@ -2194,7 +2194,7 @@ defdict_init(PyObject *self, PyObject *args, PyObject *kwds)
}

PyDoc_STRVAR(defdict_doc,
"defaultdict(default_factory[, ...]) --> dict with default factory\n\
"defaultdict(default_factory=None, /, [...]) --> dict with default factory\n\
\n\
The default factory is called without arguments to produce\n\
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a new value when a key is not present, in __getitem__ only.\n\
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