[Python-ideas] How assignment should work with generators?

[Guido van Rossum]

On Tue, Nov 28, 2017 at 11:44 AM, Kirill Balunov <kirillbalunov at gmail.com>
wrote:

> Although I have never used Python 2, the idea to distinguish fixed-sized
> and something lazy, even for Python 4, reminds me of the transition from
> str-unicode to the present state of affairs, but with much higher impact.To
> be honest, I do not like some aspects of how Python 2 issue has been
> resolved (especially bytes part) but it is another topic.
>

Since Python 4 came up, I'd like to make something clear. Python 4 is *not*
going to be a release where we break compatibility with a whole bunch of
things at once. Basically if you think you'll need to wait for Python 4 to
get your favorite change to the language, you can forget it. You need to
come up with a plan to introduce the change without breaking existing code
or at least a clear deprecation schedule.

-- 
--Guido van Rossum (python.org/~guido)
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