BTW, I forget to mention, but please post replies here: https://discuss.python.org/t/pep-603-adding-a-frozenmap-type-to-collections/2318
I'm checking this mailing list on a far less regular schedule. Besides, splitting the discussion between two different mediums isn't a good idea anyways. Yury On Thu, Sep 12, 2019 at 12:46 PM Yury Selivanov <yselivanov...@gmail.com> wrote: > > Hi! > > I've just published a PEP to add a frozenmap type to Python; it should > be online shortly. > > Read it here: > https://discuss.python.org/t/pep-603-adding-a-frozenmap-type-to-collections/2318 > > Here's an excerpt from the Abstract: > > A *persistent data structure* is defined as a data structure that > preserves the previous version of the data when the data is modified. > Such data structures are effectively *immutable*, as operations on > them do not update the structure in-place, but instead always yield > a new updated structure (see [0]_ for more details.) > > This PEP proposes to add a new fully persistent and immutable mapping > type called ``frozenmap`` to the ``collections`` module. > > The bulk of ``frozenmap``'s reference implementation is already > used in CPython to implement the ``contextvars`` module. > > Yury -- Yury _______________________________________________ Python-ideas mailing list -- python-ideas@python.org To unsubscribe send an email to python-ideas-le...@python.org https://mail.python.org/mailman3/lists/python-ideas.python.org/ Message archived at https://mail.python.org/archives/list/python-ideas@python.org/message/YE7BB65FB6WIL23M35Q4ZSB67DYW5AUF/ Code of Conduct: http://python.org/psf/codeofconduct/
