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Showing content from https://mail.python.org/pipermail/python-dev/2002-May/023881.html below:

[Python-Dev] iterzip()

[Python-Dev] iterzip() [Python-Dev] iterzip()Martin v. Loewis martin@v.loewis.de
01 May 2002 21:31:18 +0200
Tim Peters <tim.one@comcast.net> writes:

> How do we know which other objects they refer to?  How do we know that the
> set of objects they refer to will never change?  And do we have a reason to
> believe that any type other than tuples makes a lick of difference <wink>?

I'd suggest a tp_is_immutable predicate. If a container is immutable
and non-cyclic, it can be untracked. A container is non-cyclic if all
contained objects are either non-gc, or untracked.

Regards,
Martin




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