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Showing content from http://mail.python.org/pipermail/python-dev/2002-August/027490.html below:

[Python-Dev] The memo of pickle

[Python-Dev] The memo of pickle [Python-Dev] The memo of pickleGreg Ewing greg@cosc.canterbury.ac.nz
Wed, 07 Aug 2002 15:51:47 +1200 (NZST)
> The object's id() (address) is the key.  Else only hashable objects
> could be pickled.

Hmmm, I see.

It occurs to me that what you really want here is a special
kind of dictionary that uses "is" instead of "==" to compare
key values.

Or is that what was meant by an "identity dictionary"?

Greg Ewing, Computer Science Dept, +--------------------------------------+
University of Canterbury,	   | A citizen of NewZealandCorp, a	  |
Christchurch, New Zealand	   | wholly-owned subsidiary of USA Inc.  |
greg@cosc.canterbury.ac.nz	   +--------------------------------------+




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