From: Stefan Monnier <monnier@IRO.UMontreal.CA>
To: Lars Ingebrigtsen <larsi@gnus.org>
Cc: Michael Heerdegen <michael_heerdegen@web.de>,
25929@debbugs.gnu.org, Nicolas Petton <nicolas@petton.fr>,
Noam Postavsky <npostavs@users.sourceforge.net>,
Tino Calancha <tino.calancha@gmail.com>
Subject: bug#25929: 25.2; map-delete doesn't delete permanently 1st alist elt
Date: Wed, 22 Mar 2017 16:31:26 -0400 [thread overview]
Message-ID: <jwvpoh93vgx.fsf-monnier+emacsbugs@gnu.org> (raw)
In-Reply-To: <m3poh9ql8o.fsf@stories> (Lars Ingebrigtsen's message of "Wed, 22 Mar 2017 18:23:03 +0100")
>> The problem is how to make it extensible to user-defined types
>> via something like cl-generic.el (e.g. add support for avl-tree.el
>> without having to make map.el aware of avl-tree.el).
> Hm... I haven't used cl-generic.el, but having map-delete be something
> like this work?
> (defmacro map-delete (map elem)
> (if (symbolp map)
> `(setq ,map (map-delete-1 ,map ,elem))
> `(map-delete-1 ,map ,elem)))
It would work, yes. I think the resulting semantics is pretty ugly, but
it's just a question of taste.
Stefan
next prev parent reply other threads:[~2017-03-22 20:31 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-02 7:17 bug#25929: 25.2; map-delete doesn't delete permanently 1st alist elt Tino Calancha
2017-03-02 8:56 ` Nicolas Petton
2017-03-02 10:59 ` Nicolas Petton
2017-03-02 11:30 ` Tino Calancha
2017-03-02 12:27 ` Nicolas Petton
2017-03-02 12:34 ` Nicolas Petton
2017-03-02 13:34 ` Tino Calancha
2017-03-02 15:12 ` Stefan Monnier
2017-03-04 0:04 ` Michael Heerdegen
2017-03-04 0:16 ` Michael Heerdegen
2017-03-21 20:41 ` Lars Ingebrigtsen
2017-03-22 11:55 ` Michael Heerdegen
2017-03-22 12:01 ` Lars Ingebrigtsen
2017-03-22 12:56 ` Noam Postavsky
2017-03-22 13:31 ` Lars Ingebrigtsen
2017-03-22 14:43 ` Michael Heerdegen
2017-03-22 17:04 ` Stefan Monnier
2017-03-22 17:23 ` Lars Ingebrigtsen
2017-03-22 20:31 ` Stefan Monnier [this message]
2017-03-22 17:02 ` Stefan Monnier
2017-03-29 15:25 ` bug#25929: 25.2; plists and map-* Lars Ingebrigtsen
2017-03-29 15:36 ` Nicolas Petton
2017-03-21 11:35 ` bug#25929: 25.2; map-delete doesn't delete permanently 1st alist elt Nicolas Petton
2017-03-21 15:11 ` Stefan Monnier
2017-03-21 18:06 ` Nicolas Petton
2017-03-21 20:29 ` Stefan Monnier
2017-04-26 7:58 ` Nicolas Petton
2017-03-02 12:36 ` npostavs
2017-03-02 12:45 ` Nicolas Petton
2022-04-26 13:34 ` Lars Ingebrigtsen
2022-04-28 3:17 ` Richard Stallman
2022-04-28 16:00 ` Drew Adams
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