[Python-Dev] redefining is (original) (raw)

Barry Warsaw barry at python.org
Fri Mar 19 13:05:51 EST 2004

On Fri, 2004-03-19 at 12:59, Michael Chermside wrote:

Identity Objects can be (meaningfully) compared by:

* Object Identity To see if these are "the same object". Also useful for low-level memory stuff according to Tim. (just use '==', although 'is' would work too)

Using == for identity objects is the wrong thing. We should discourage tests like "if obj == None" in favor of "if obj is None".

-Barry

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