This issue tracker has been migrated to GitHub, and is currently read-only.
For more information, see the GitHub FAQs in the Python's Developer Guide.

Author vstinner
Recipients eric.snow, jeremy.kloth, jkloth, nanjekyejoannah, ncoghlan, rhettinger, vstinner
Date 2020-02-07.08:46:19
SpamBayes Score -1.0
Marked as misclassified Yes
Message-id <1581065179.8.0.0616183550956.issue39511@roundup.psfhosted.org>
In-reply-to
Content
Ah, I also found the idea of immortal None in an old discussion on tagged pointer:
https://mail.python.org/archives/list/capi-sig@python.org/thread/JPUNPN3AILGXOA3C2TTSLMOFNSWJE3QX/

Stefan Behnel proposed the idea: "All negative refcounts would have special meanings, such as: this is the immortal None, (...)".
History
Date User Action Args
2020-02-07 08:46:19vstinnersetrecipients: + vstinner, rhettinger, ncoghlan, jkloth, jeremy.kloth, eric.snow, nanjekyejoannah
2020-02-07 08:46:19vstinnersetmessageid: <1581065179.8.0.0616183550956.issue39511@roundup.psfhosted.org>
2020-02-07 08:46:19vstinnerlinkissue39511 messages
2020-02-07 08:46:19vstinnercreate