osdir.com


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Python-Dev] Examples for PEP 572


On Wed, Jul 4, 2018 at 3:02 AM Chris Angelico <rosuav at gmail.com> wrote:

> "Assignment is a statement" -- that's exactly the point under discussion.
> "del is a statement" -- yes, granted
> "function and class declarations are statements" -- class, yes, but
> you have "def" and "lambda" as statement and expression equivalents.
> "import is a statement" -- but importlib.import_module exists for a reason

I'm going to assume that your term "mutating" there was simply a
> miswording, and that you're actually talking about *name binding*,
> which hitherto occurs only in statements. Yes, this is true.
>

Nope, not actually:

>>> del foo
>>> print(globals().update({'foo':42}), foo)
None 42


-- 
Keeping medicines from the bloodstreams of the sick; food
from the bellies of the hungry; books from the hands of the
uneducated; technology from the underdeveloped; and putting
advocates of freedom in prisons.  Intellectual property is
to the 21st century what the slave trade was to the 16th.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.python.org/pipermail/python-dev/attachments/20180704/a8ae1bcd/attachment.html>