[Python-Dev] Re: PEP 563 in light of PEP 649

2021年4月16日 21:43:15 -0700

On 4/16/21 5:00 PM, Guido van Rossum wrote:
(3) Ditto run with Larry's branch (PEP 649, assuming it's on by default there -- otherwise, modify the source by inserting the needed future import at the top)
The co_annotations stuff in my branch is gated with "from __future__ import co_annotations". Without that import my branch has stock semantics. Also, in case somebody does do this testing: don't use my branch for "from __future__ import annotations" testing. There are neat new optimizations for stringized annotations but my branch is too out-of-date to have them.
Cheers,
//arry/
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