[Python-Dev] Issue 19332: Guard against changing dict during iteration
ericsnowcurrently at gmail.com
Wed Nov 6 08:10:30 CET 2013
On Nov 5, 2013 10:42 PM, "Nick Coghlan" <ncoghlan at gmail.com> wrote:
> If the benchmark suite indicates there's no measurable speed penalty then
such a patch may be worth reconsidering. I'd be astonished if that was
actually the case, though - the lowest impact approach I can think of is to
check for live iterators when setting a dict entry, and that still has
non-trivial size and speed implications.
If I remember right, I had to address something related in my C OrderedDict
patch on issue #16991. I don't know if what I did there is applicable to
dicts though. It's been a while since I worked on that patch.
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