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


From: Lars Ingebrigtsen
Subject: bug#25929: 25.2; map-delete doesn't delete permanently 1st alist elt
Date: Wed, 22 Mar 2017 14:31:12 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux)

Noam Postavsky <address@hidden> 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





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