https://github.com/python/cpython/commit/601f3a7b3391e9d219a8ec44a6c56d00ce584d2a commit: 601f3a7b3391e9d219a8ec44a6c56d00ce584d2a branch: main author: Nicolas A. Oyarzabal <[email protected]> committer: ethanfurman <[email protected]> date: 2024-03-08T11:22:17-08:00 summary:
gh-105535 Document potential performance trap during enum creation (GH-107119) Co-authored-by: Ethan Furman <[email protected]> Co-authored-by: Hugo van Kemenade <[email protected]> files: M Doc/library/enum.rst diff --git a/Doc/library/enum.rst b/Doc/library/enum.rst index 49bf40aa5a2869..d84d9d9b4161b1 100644 --- a/Doc/library/enum.rst +++ b/Doc/library/enum.rst @@ -279,6 +279,8 @@ Data Types >>> Color.RED.value 1 + Value of the member, can be set in :meth:`~object.__new__`. + .. note:: Enum member values Member values can be anything: :class:`int`, :class:`str`, etc. If @@ -286,6 +288,11 @@ Data Types appropriate value will be chosen for you. See :class:`auto` for the details. + While mutable/unhashable values, such as :class:`dict`, :class:`list` or + a mutable :class:`~dataclasses.dataclass`, can be used, they will have a + quadratic performance impact during creation relative to the + total number of mutable/unhashable values in the enum. + .. attribute:: Enum._name_ Name of the member. _______________________________________________ Python-checkins mailing list -- [email protected] To unsubscribe send an email to [email protected] https://mail.python.org/mailman3/lists/python-checkins.python.org/ Member address: [email protected]
