[Doc-SIG] Does the "is" operator only matter for mutable object?

[Fred Drake]

On Sat, Mar 5, 2011 at 7:45 PM, Laura Creighton <lac at openend.se> wrote:
> So maybe what we need to do is to explictly state that some implementations
> have chosen to represent objects which are equivalent as the exact same
> object, but that you should not rely on this behaviour because it is
> an implementation detail?

That still seems too complicated.  Pointing out that equality does not
imply identity, regardless of type, should be sufficient for the
purpose of describing "is".


  -Fred

--
Fred L. Drake, Jr.    <fdrake at acm.org>
"A storm broke loose in my mind."  --Albert Einstein