> On Thu, Oct 28, 2021 at 05:25:52PM +1100, Chris Angelico wrote:
>> But the "in" operator isn't built on iteration, so that would be 
>> in-consistent.
> 
> "In-"consistent, heh :-)
> 
> \>\>\> a = iter("abcde")
>     \>>> a.__contains__
>     Traceback (most recent call last):
>       File "<stdin>", line 1, in <module>
>     AttributeError: 'str_iterator' object has no attribute '__contains__'
>     \>>> 'b' in a
>     True
>     \>>> list(a)
>     ['c', 'd', 'e']
> 
> https://docs.python.org/3/reference/expressions.html#membership-test-operati...
> 
> The "in" operator is built on iteration, but can be overridden by the 
> `__contains__` method.
> 
>> What you're asking for can best be spelled with any/all and iteration,
>> not a new operator.
> 
> I completely agree.
I was replying to this.
_______________________________________________
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/L2AU3ND7G6P5XGOCWBSTLINTFQI3XDTN/
Code of Conduct: http://python.org/psf/codeofconduct/

Reply via email to