From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Dmitry Gutov Newsgroups: gmane.emacs.bugs Subject: bug#55205: 28.1.50; completion--replace illegally mutates completion candidates Date: Tue, 3 May 2022 00:06:47 +0300 Message-ID: <052de865-5be1-6ebb-6e1e-22b1e13d1d67@yandex.ru> References: <4d1b8687-20f2-137a-2739-7bba28828991@daniel-mendler.de> <87wnf5mpt4.fsf@gnus.org> <835ymp78hl.fsf@gnu.org> <83czgw65bl.fsf@gnu.org> <27ecd6cd-3c2c-d30c-24a3-d77e0331ebf6@yandex.ru> <838rrk57sy.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="29569"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Cc: mail@daniel-mendler.de, larsi@gnus.org, monnier@iro.umontreal.ca, 55205@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon May 02 23:08:11 2022 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nldH8-0007Ye-Se for geb-bug-gnu-emacs@m.gmane-mx.org; 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Mon, 02 May 2022 14:06:49 -0700 (PDT) Content-Language: en-US In-Reply-To: <838rrk57sy.fsf@gnu.org> 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:231283 Archived-At: On 02.05.2022 17:27, Eli Zaretskii wrote: >> Date: Mon, 2 May 2022 12:46:00 +0300 >> Cc:mail@daniel-mendler.de,larsi@gnus.org,monnier@iro.umontreal.ca, >> 55205@debbugs.gnu.org >> From: Dmitry Gutov >> >> On 02.05.2022 05:23, Eli Zaretskii wrote: >>> Collection can include functions, and how do you copy that? >> Collection can be a function, not "include functions". You fetch the >> list of strings using that function (for the given input) and then make >> a deep copy of that. > So I need to call that function twice, is that it? It is normally > called by the completion machinery out of my control. You only use the function at the "fetch the list" step. How many times it is called in total, is a harder question (due to implementation details, sometimes suboptimal), but that number shouldn't have to change.