Some of you may have noticed I updated my proposal on the subject yesterday. I'm afraid it was too long without a summary, so here is one. I hope this will be helpful to some people.
Summary of the refreshed proposal --------------------------------- (1) Simplify the syntax: We wouldn't need the notion of expression list any more, and would be able to use starred expressions at more places.
(2) Simplify the syntax about subscription and slicing: A simple new rule describes a well expectable interpretation of natural but currently invalid expressions (mainly those involving stars) which extends the already given interpretation of already valid expressions.
(3) There's a difference from PEP 646: Unlike with PEP 646, we won't have e.g.,
as a valid expression which is _not_ equivalent to
The origianal post (sorry about its length) can be found at
as well as the entire thread at
Note: In the original post, the description of how __getitem__ (etc.) method would be got was not precise. However, I hope what I wrote makes sense for most situations.
Best regards, Takuo Matsuoka