Author vstinner
Recipients eric.snow, jeremy.kloth, jkloth, nanjekyejoannah, ncoghlan, rhettinger, vstinner
Date 2020-02-07.08:46:19
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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, (...)".
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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