Nick Coghlan <ncogh...@gmail.com> added the comment: I updated some of the issue metadata and added a question mark to the issue title to help make it clearer that this would require a PEP level conceptual enhancement to the language, rather than being about documenting an existing concept.
PEP 557's data classes take a step in that direction with their "frozen=True" parameter: https://www.python.org/dev/peps/pep-0557/#frozen-instances ---------- components: +Interpreter Core title: Define instance mutability explicitly on type objects -> Define instance mutability explicitly on type objects? type: -> enhancement versions: +Python 3.8 -Python 3.6 _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue24991> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
