GNU bug report logs - #25929
25.2; map-delete doesn't delete permanently 1st alist elt

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Package: emacs;

Reported by: Tino Calancha <tino.calancha <at> gmail.com>

Date: Thu, 2 Mar 2017 07:19:01 UTC

Severity: normal

Found in version 25.2

Fixed in version 29.1

Done: Lars Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

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Message #44 received at 25929 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> IRO.UMontreal.CA>
To: Nicolas Petton <nicolas <at> petton.fr>
Cc: 25929 <at> debbugs.gnu.org, Tino Calancha <tino.calancha <at> gmail.com>
Subject: Re: bug#25929: 25.2;
 map-delete doesn't delete permanently 1st alist elt
Date: Tue, 21 Mar 2017 11:11:20 -0400

>> A better option might be to provide a map-remove which works
>> functionally (i.e. doesn't modify its argument by side-effects)
> I'd love to have that, but what about performance issues with
> hash-tables?

I was thinking of providing map-remove additionally to map-delete (and
make map-delete signal an error when it can't do its job).  IOW declare
that some parts of the API can't be used with all types.


        Stefan
This bug report was last modified 3 years and 27 days ago.

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