On 13/03/20 4:02 am, Eric Wieser wrote:
For consistency, `x = (del foo.attr)` and `x = (del foo[i])` could
also become legal expressions, and `__delete__`, `__delattr__`, and
`__delitem__` would now have return values. Existing types would be
free to continue to return `None`.
That would mean you couldn't rely on 'del foo.attr' or 'del foo[item]'
doing what you expect, unless you know for sure you're dealing with
a type that's been updated to follow the new semantics.
--
Greg
_______________________________________________
Python-ideas mailing list -- [email protected]
To unsubscribe send an email to [email protected]
https://mail.python.org/mailman3/lists/python-ideas.python.org/
Message archived at
https://mail.python.org/archives/list/[email protected]/message/JURMBGCTFCNDIDEE5IEDX34GXOF6KZX7/
Code of Conduct: http://python.org/psf/codeofconduct/
