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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From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Noam Postavsky <npostavs <at> users.sourceforge.net>
Cc: Michael Heerdegen <michael_heerdegen <at> web.de>, 25929 <at> debbugs.gnu.org, Nicolas Petton <nicolas <at> petton.fr>, Stefan Monnier <monnier <at> iro.umontreal.ca>, Tino Calancha <tino.calancha <at> gmail.com>
Subject: bug#25929: 25.2; map-delete doesn't delete permanently 1st alist elt
Date: Wed, 22 Mar 2017 14:31:12 +0100

Noam Postavsky <npostavs <at> users.sourceforge.net> writes:

> It's also fine to say (setq foo (map-delete foo 'bar)) if foo is hash
> table, right?

Sure, but then this isn't a very convenient form to use at all.
Everybody who uses hash tables will use the old form, which makes this
generalisation useless in practice.

I'm not quite sure what the objection to map-delete being a macro is...

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no
This bug report was last modified 3 years and 27 days ago.

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