On 2021-08-09 23:57:42, Chris Angelico wrote:
> On Mon, Aug 9, 2021 at 10:32 PM Samuel Freilich <sfreil...@google.com> wrote:
> > Even without it being used in as complicated a way as that it's still not
> > backward compatible because of the trivial case, as foo.endswith("") is
> > True.
>
> I was talking specifically about the original, which can be depended
> upon to return True or False. Changing the return value would break
> anything that depends on that.
>
> Not sure what you're referring to.
I think this is the problem:
> >>> "str".endswith("") is True
> True
> >>> "" is True
> <stdin>:1: SyntaxWarning: "is" with a literal. Did you mean "=="?
> False
Even if you use the return value as a bool, it will flip the result.
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