Has AA a bad implementation?
Joseph Rushton Wakeling
joseph.wakeling at webdrake.net
Fri Feb 12 23:13:49 UTC 2021
On Friday, 12 February 2021 at 22:23:45 UTC, Steven Schveighoffer
> Note, I thought rehash would shrink the bucket array down, but
> it looks like it ignores that when the AA is empty. That seems
> like an omission.
Do we necessarily want that shrinkage by default? If an AA has
had a certain size in the past, and then is cleared, it seems
likely that the typical use case is that it will fill up to a
similar size again.
For comparison, does `rehash` shrink the bucket array when the AA
is non-empty but much, much smaller than the bucket array?
I don't object to the possibility to shrink the bucket array
where possible but it should probably require an explicit and
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