On 2016-01-20 5:01 PM, Greg Ewing wrote:
Yury Selivanov wrote:
What I propose is to add a pointer "ma_extra" (same 64bits),
which will be set to NULL for most dict instances (instead of
ma_version). "ma_extra" can then point to a struct that has a
globally unique dict ID (uint64), and a version tag (unit64).
Why not just use a single global counter for allocating
dict version tags, instead of one per dict?
Yeah, I think that's what we agreed on:
https://mail.python.org/pipermail/python-dev/2016-January/142837.html
The only advantage of ma_extra pointer is that it allows to add more
stuff to dicts in the future.
Yury
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