GNU bug report logs - #47368
28.0.50; map-elt returns nil without "deprecated" TESTFN

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Package: emacs;

Reported by: dalanicolai <dalanicolai <at> gmail.com>

Date: Wed, 24 Mar 2021 22:54:02 UTC

Severity: normal

Tags: patch

Found in versions 28.0.50, 27.1

Fixed in version 28.1

Done: "Basil L. Contovounesios" <contovob <at> tcd.ie>

Bug is archived. No further changes may be made.

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From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Michael Heerdegen <michael_heerdegen <at> web.de>
Cc: "Basil L. Contovounesios" <contovob <at> tcd.ie>, Adam Porter <adam <at> alphapapa.net>, Nicolas Petton <nicolas <at> petton.fr>, 47368 <at> debbugs.gnu.org
Subject: bug#47368: 28.0.50; map-elt returns nil without "deprecated" TESTFN
Date: Wed, 15 Sep 2021 08:39:20 -0400

> [ Personally I would still be interested in an answer to the question:
> why don't we consider to keep the TESTFN arg at least for the list map
> type case? ]

This would only make sense if we add corresponding args to several
other functions of `map.el`, and it would bring us back to the problem
that this arg would be ignored for most map types and couldn't be obeyed
without paying a high cost.

If you know it's a list and you want to use a specific test, then don't
use `map-elt`.


        Stefan
This bug report was last modified 3 years and 329 days ago.

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