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From: | Stefan Monnier |
Subject: | bug#47368: 28.0.50; map-elt returns nil without "deprecated" TESTFN |
Date: | Wed, 15 Sep 2021 08:39:20 -0400 |
User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
> [ 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
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