[pypy-dev] x is y <=> id(x)==id(y)

[Christian Tismer]

On 06.05.13 08:54, Armin Rigo wrote:
> Hi Simon,
>
> On Mon, May 6, 2013 at 12:48 AM, Simon Cross <hodgestar at gmail.com> wrote:
>> I was thinking along similar signs -- we could ask for things like "x
>> is ''" or "x is 3" to be added to PEP8 (I think any use of "is" with a
>> constant on one or more sides is likely suspect).
> That may be a good idea.  If the compiler emits SyntaxWarnings for
> these cases, then maybe it's all we need to cover most of the bad
> usages.
>

I highly appreciate this idea, too! Educating people to avoid
mis-use of "is" has probably more impact in the long term,
because the pep8 module is pretty often used as a measure of
code cleaning.

cheers - chris

-- 
Christian Tismer             :^)   <mailto:tismer at stackless.com>
Software Consulting          :     Have a break! Take a ride on Python's
Karl-Liebknecht-Str. 121     :    *Starship* http://starship.python.net/
14482 Potsdam                :     PGP key -> http://pgp.uni-mainz.de
phone +49 173 24 18 776  fax +49 (30) 700143-0023
PGP 0x57F3BF04       9064 F4E1 D754 C2FF 1619  305B C09C 5A3B 57F3 BF04
       whom do you want to sponsor today?   http://www.stackless.com/