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bpo-23802: patch: __deepcopy__ memo dict argument usage #21326

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nanjekyejoannah merged 2 commits into from
Jul 10, 2020
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bpo-23802: patch: __deepcopy__ memo dict argument usage #21326

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dccf905
Clarify __deepcopy__ memo dict argument usage
nanjekyejoannah Jul 5, 2020
7b59d65
Add full stop
nanjekyejoannah Jul 5, 2020
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1 change: 1 addition & 0 deletions Doc/library/copy.rst
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Expand Up @@ -86,6 +86,7 @@ The latter is called to implement the deep copy operation; it is passed one
argument, the ``memo`` dictionary. If the :meth:`__deepcopy__` implementation needs
to make a deep copy of a component, it should call the :func:`deepcopy` function
with the component as first argument and the memo dictionary as second argument.
The memo dictionary should be treated as an opaque object.


.. seealso::
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