From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Michael Heerdegen Newsgroups: gmane.emacs.bugs Subject: bug#47368: 28.0.50; map-elt returns nil without "deprecated" TESTFN Date: Thu, 25 Mar 2021 03:39:14 +0100 Message-ID: <87lfacvtwt.fsf@web.de> References: <87sg4kyw1q.fsf@tcd.ie> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="38038"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: dalanicolai , 47368@debbugs.gnu.org To: "Basil L. 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Contovounesios's message of "Wed, 24 Mar 2021 23:24:49 +0000") X-Provags-ID: V03:K1:BZPI1Hb8joXofk6Udfmiyf3PAupze37GRBspKPDwuzJSX371z8R qqJXT2HlBLT2CV+N8SIa77++4tmbSS8hZ5TOqyvgBKatpVoCPc9+XLuBauIKUQlgrYpdiuC G8CWw89D3od8o/lJGiAOkt2i85vNdmFJIvjdYs8AEWTEUc0XT6pvq2SC2j1UNf4U0tt4qMY UtuR6AXpyddmS+lSE4BnA== X-UI-Out-Filterresults: notjunk:1;V03:K0:2Jd2vuusTiM=:OuDLCdF9UfoVMwKsR3ub01 RaqSWx42sonOzp4gM3rDqN8SbaEjIphIGL9xSFJ4PIdnL83KPpnx9FfCQ2p/oibbwS8LN28Eh 6yiuT1kw1kAzGu0OCgXsJv0BUQxtRiyBSJ7RuSxt7UTvw94acCPWP98Z/tFvq71q2bO5BZvld CRaLkSt3qcXufCgWcOS0sxABDeYrIHw/dWODkNUfng7wPoRObq34/bgGMcPLh8n4TMKfz/kVz nVClfBbVOyM0COljDfqerckLiBae9g/8GHk4usWtsSWIiTkd3USNpw/pob+8N0g2BLh+uJHd+ SgL+u486Yd6IJE9nLwEMXbon2Yep2fn6If/kkt502UNh5d6MAUAAQGD1MQM5ANAvG6ZheM18j eVV3r0l/Be6rvZyFzR41xu2l5FSGn1RjXXA6WovnAoG1VoEGwMtzoUBgDgjvdWT/kfmfUbTFe iHscRpslahtdEaMt5V6zEZezzYThgFzfzamUOjj9h3McZH/C0B1BSvLmy8qFo2A8MPdvc/g7J 3aXXPl31eD1F6H3tKSVR1zy6iSsoZBLWRwpS6+hdhSO1gfJtDAdpiN26tvOMVD0CfVqWuJ6/4 PCIE5Wt69JJlHR6RdAUlrcBrT3kScuMtrddVWtwQIcB4PiIV05ZKcYvAoLcPBWoj5F17FTe+u g7ntbDtQexRVynHsEoGys1qisEkE2xnSbDdB8fgYbJs9QskF67Y04AQgfOX3xUXWyA5XgfLw6 u6rtZD9ZMjv8ZB7/W4S0OpQvTvRVR+N0ZAbf1+G1W8w8Ki4qqszyAMC+EQDeGJ/IL2BNBWIh X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:202977 Archived-At: "Basil L. Contovounesios" writes: > dalanicolai writes: > > > The docstring of the map-elt function from the map.el package (version > > 3.0) mentions that TESTFN is deprecated because "its default depends on > > the MAP argument". However when I try e.g. > > > > (map-elt '(("A1" . 3)) "A1") > > > > it returns nil. > > This is expected, as alist keys are tested with eq by default. > > That's what the docstring is trying to warn about: alists default to > testing with eq, but can also use eql, equal, or anything else. Is it that obvious? We have `assoc' and `assq' built-in - to me it's not obvious that "alist keys are tested with eq by default". It's the default for `alist-get', ok, which is used by the implementation, but not everybody will know that. I would add a sentence about that. Michael.