[Python-Dev] That depends on what the meaning of "is" is (was Re: http://mail.python.org/pipermail/python-dev/2011-December/115172.html)

[PJ Eby]

On Sun, Jan 1, 2012 at 10:28 PM, Jim Jewett <jimjjewett at gmail.com> wrote:

> Given the wording requiring a real dictionary, I would have assumed
> that it was OK (if perhaps not sensible) to do pointer arithmetic and
> access the keys/values/hashes directly.  (Though if the breakage was
> between python versions, I would feel guilty about griping too
> loudly.)
>

If you're going to be a language lawyer about it, I would simply point out
that all the spec requires is that "type(env) is dict" -- it says nothing
about how Python defines "type" or "is" or "dict".  So, you're on your own
with that one. ;-)
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