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Re: maphash
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From: |
Mattias Engdegård |
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Subject: |
Re: maphash |
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Date: |
Wed, 2 Oct 2024 10:43:52 +0200 |
1 okt. 2024 kl. 20.36 skrev Andrea Corallo <acorallo@gnu.org>:
>> Would you also take a look at the four DOHASH_SAFE uses in
>> comp.c, and see if there is any possibility of mutation of the tables
>> iterated over? Then they could be changed to DOHASH.
>
> Thanks I think the use of DOHASH_SAFE is correct there.
Mind explaining why? Note that DOHASH does attempt to catch some table
mutations when checking is enabled.
DOHASH_SAFE is intended for Fmapcar, where there may be mutations and we
mustn't crash because of them but we don't care about semantics in that case.