Guido van Rossum <gu...@python.org> added the comment:
This was discussed during the PEP review and rejected. The main reason is that this operator would need to create a new instance, and there is no standard API that's part of the Mapping protocol that can be used (the constructor of a Mapping instance might have unknown parameters). ---------- nosy: +gvanrossum resolution: -> wont fix stage: patch review -> resolved status: open -> closed _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue42841> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com