Presumably this was inspired by the other thread, "Add __keys__ or __items__ protocol", where an __items__() method was proposed instead of recognizing mappings by the presence of a keys() method.
On Tue, Feb 18, 2020 at 12:46 PM Rhodri James <rho...@kynesim.co.uk> wrote: > On 18/02/2020 20:33, Soni L. wrote: > > > > > > On 2020-02-18 5:08 p.m., Rhodri James wrote: > >> On 18/02/2020 19:43, Soni L. wrote: > >>> It'd be nice to have a __valid_getitem_requests__ protocol that, if > >>> present, yields pairs such that: > >>> > >>> for key, value in items(obj): > >>> assert obj[key] == value > >>> > >>> for any obj. > >> > >> OK, I'll bite. What is this "items()" function you apply to the > >> arbitrary object? > >> > > Similar to len(). Just a shitty wrapper for __valid_getitem_requests__. > > Language, sunshine. > > Do you have a use case for this, or is it just theoretically nice to > have? I have to say it isn't nice enough for me to actually want it, > and I say that as someone who regularly forgets that iterating over a > dict gets you its keys. > > -- > Rhodri James *-* Kynesim Ltd > _______________________________________________ > 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/3W4UBUL6QTONUZN2XFSVAPVKZTHO62PU/ > Code of Conduct: http://python.org/psf/codeofconduct/ > -- --Guido van Rossum (python.org/~guido) *Pronouns: he/him **(why is my pronoun here?)* <http://feministing.com/2015/02/03/how-using-they-as-a-singular-pronoun-can-change-the-world/>
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