On Mon, Nov 29, 2021 at 10:11 AM Rob Cliffe via Python-Dev <python-dev@python.org> wrote: > > I am slightly surprised that it seems to be *easier* to fold selected > constant expressions than to have more generic code to fold them all. > Or at least, all those that don't contain containers, such as > 1 in [0,1,2]
This is optimized to a tuple rather than a list (and if you used a set instead of a list, it'd be optimized to a frozenset), but the 'in' comparison isn't optimized. The common case where it's "x in [0,1,2]" is optimized as far as it can be. ChrisA _______________________________________________ Python-Dev mailing list -- python-dev@python.org To unsubscribe send an email to python-dev-le...@python.org https://mail.python.org/mailman3/lists/python-dev.python.org/ Message archived at https://mail.python.org/archives/list/python-dev@python.org/message/KV7E4ALZLNY7BNMCNDVLUZHPORRRMRCC/ Code of Conduct: http://python.org/psf/codeofconduct/
