On Tue, Oct 16, 2018 at 7:02 PM George Leslie-Waksman <waks...@gmail.com> wrote: > > Would a frozendict require that keys and values be hashable?
Keys would already have to be hashable - regular dicts demand this, and there's no reason not to for frozendict. Values? Not so sure. Personally I would say that no, they don't HAVE to be hashable - but that the frozendict itself would then not be hashable. > It seems to me that we would need this restriction to make a reasonably > universal frozendict that is, itself, hashable. > The tuple provides a good precedent here: >>> hash((1,2,3)) 2528502973977326415 >>> hash((1,2,[])) Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: unhashable type: 'list' >>> ChrisA _______________________________________________ Python-ideas mailing list Python-ideas@python.org https://mail.python.org/mailman/listinfo/python-ideas Code of Conduct: http://python.org/psf/codeofconduct/
