From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Juanma Barranquero Newsgroups: gmane.emacs.bugs Subject: bug#38375: 26.3.50; map-contains-key can't detect nil Date: Tue, 26 Nov 2019 00:22:07 +0100 Message-ID: References: <874kyr3mix.fsf@cassou.me> Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="0000000000005fcc0b0598340a1b" Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="74588"; mail-complaints-to="usenet@blaine.gmane.org" Cc: Nicolas Petton , 38375@debbugs.gnu.org To: Damien Cassou Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Nov 26 00:23:10 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1iZNhG-000JFB-BO for geb-bug-gnu-emacs@m.gmane.org; Tue, 26 Nov 2019 00:23:10 +0100 Original-Received: from localhost ([::1]:49110 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iZNhF-000513-3b for geb-bug-gnu-emacs@m.gmane.org; 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charset="UTF-8" On Mon, Nov 25, 2019 at 10:38 PM Damien Cassou wrote: > The code below inserts the pair (nil, 'value) in a hash table. I expect > `map-contains-key' to return t when passed the key nil as argument. It does in 27.0.50: ELISP> (let ((map (make-hash-table :test 'equal))) (puthash nil 'value map) (map-contains-key map nil)) t ELISP> --0000000000005fcc0b0598340a1b Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

On Mon, Nov 25, 2019 at 10:38 PM Damien Cassou <damien@cassou.me>= wrote:

> The code below inserts the pair (nil, 'value) = in a hash table. I expect
> `map-contains-key' to return t when p= assed the key nil as argument.

It does in 27.0.50:
<= div>
ELISP> (let ((map (make-hash= -table :test 'equal)))
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0(puthash ni= l 'value map)
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0(map-contains-key ma= p nil))
t
ELISP>=C2=A0
--0000000000005fcc0b0598340a1b--