From: "Basil L. Contovounesios" <contovob@tcd.ie>
To: Matt Armstrong <matt@rfc20.org>
Cc: 47572@debbugs.gnu.org
Subject: bug#47572: 27.1; (setf (map-elt m key) value) should return value but does not
Date: Sun, 04 Apr 2021 19:31:48 +0100 [thread overview]
Message-ID: <87lf9x52az.fsf@tcd.ie> (raw)
In-Reply-To: <87eefsfl8f.fsf@rfc20.org> (Matt Armstrong's message of "Fri, 02 Apr 2021 14:08:16 -0700")
found 47572 25.3.1
quit
Matt Armstrong <matt@rfc20.org> writes:
> Attached is an ert test that demonstrates the problem. The crux is
> that:
>
> (require 'map)
> (setf (map-elt m key) value)
>
> returns VALUE only in the hash table implementation. `setf' should
> return VALUE in all cases.
>
> For alists it returns either nil or (key . value) depending on whether a
> key is inserted or udpated in place.
Indeed, this bug seems to be present since map.el was introduced in
Emacs 25.
> For plists it returns similarly variable things.
>
> Here is the output I get from the attached test. The .el is attached afterwards.
Would you be interested in also providing a patch for map.el?
Thanks,
--
Basil
next prev parent reply other threads:[~2021-04-04 18:31 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-02 21:08 bug#47572: 27.1; (setf (map-elt m key) value) should return value but does not Matt Armstrong
2021-04-04 18:31 ` Basil L. Contovounesios [this message]
2021-05-06 11:31 ` Lars Ingebrigtsen
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