STINNER Victor <vstin...@python.org> added the comment:
Ah, I also found the idea of immortal None in an old discussion on tagged pointer: https://mail.python.org/archives/list/capi-...@python.org/thread/JPUNPN3AILGXOA3C2TTSLMOFNSWJE3QX/ Stefan Behnel proposed the idea: "All negative refcounts would have special meanings, such as: this is the immortal None, (...)". ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue39511> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com