Anselm Kiefner <amogor...@gmail.com> added the comment:
I just stumbled over this same restriction and when I googled for "SyntaxError: cannot assign to named expression", 0 actual results showed - an absolute unicorn for a Python error. > "Due to design constraints in the reference implementation (the symbol table > analyser cannot easily detect when names are re-used between the leftmost > comprehension iterable expression and the rest of the comprehension), named > expressions are disallowed entirely as part of comprehension iterable > expressions (the part after each "in", and before any subsequent "if" or > "for" keyword):" Might the new PEG parser maybe help alleviate this restriction, so we could declare this a bug instead? ---------- nosy: +Anselm Kiefner _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue38556> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
