220 15337 <1467325.0dEsDvEnHx@tjmaciei-mobl4> article Path: news.gmane.org!not-for-mail From: Thiago Macieira Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Re: Isn't it time we had the bool std::[container]::contains() family of methods? Date: Sat, 27 Dec 2014 01:10:49 -0200 Lines: 29 Approved: news@gmane.org Message-ID: <1467325.0dEsDvEnHx@tjmaciei-mobl4> References: <0959f2f8-acdd-4786-b6f3-0f05c62dcee6@isocpp.org> <6f64e72f-ac64-4985-9a00-c29a71990cd2@isocpp.org> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Trace: ger.gmane.org 1419649864 13166 80.91.229.3 (27 Dec 2014 03:11:04 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 27 Dec 2014 03:11:04 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBCB4TK757YBRBQGG7CSAKGQEJXU3ZUY@isocpp.org Sat Dec 27 04:10:59 2014 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-ee0-f72.google.com ([74.125.83.72]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Y4hmL-0002l4-Ko for gclcip-std-proposals@m.gmane.org; Sat, 27 Dec 2014 04:10:57 +0100 Original-Received: by mail-ee0-f72.google.com with SMTP id e53sf6726625eek.3 for ; Fri, 26 Dec 2014 19:10:56 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:subject:date:message-id:user-agent :in-reply-to:references:mime-version:content-type:x-original-sender :x-original-authentication-results:reply-to:precedence:mailing-list :list-id:list-post:list-help:list-archive:list-subscribe :list-unsubscribe; bh=C6dRoWurJ2cqpI+X7C0v0asW8aMYk51mbk5thPMM9lk=; b=nJwUYr+U5ZCtcgWSIullGPZW3siFDVqQrxkM+O/SoNiFF99he6WhdBX8Amxlo0TMin srA1Eoo+glU4RPhc/5nZ6JmOHL07T/w2SinY9cwdM403ZUHT1aagvNwIvkQ9Fn25ozhR rs71lInLS/ff0r2XwGPuBedoM9SwYkRFRgB9msFUYAMf1FmCdzffDhCGRE6kuKbKQwQr 2OeOG2Dg/3+P0/FDDJySvmdJqaHxNYwunvCujHSQ87Zrk8EfqWZxz0rRc6lwRk2SJfdm AGNgk83OzvSAsNsCqfDC2sPQ72RZaaBz/Z/ong4J1+JYhLV08p9wf4m6y8gAqoSff0+0 pRBA== X-Gm-Message-State: ALoCoQmGEaIAx5rB28P3BMAHr3QBSVQbe8211HhB3XJs2TYwZBhzovhxR+jikLC3IoYGZ7NTeyi3 X-Received: by 10.180.98.38 with SMTP id ef6mr4691897wib.4.1419649856904; Fri, 26 Dec 2014 19:10:56 -0800 (PST) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.180.103.1 with SMTP id fs1ls1345052wib.23.canary; Fri, 26 Dec 2014 19:10:55 -0800 (PST) X-Received: by 10.194.62.76 with SMTP id w12mr87438150wjr.5.1419649855924; Fri, 26 Dec 2014 19:10:55 -0800 (PST) Original-Received: from gondolin.macieira.info (gondolin.macieira.info. [78.47.120.188]) by mx.google.com with ESMTP id ha3si45244838wib.103.2014.12.26.19.10.55 for ; Fri, 26 Dec 2014 19:10:55 -0800 (PST) Received-SPF: pass (google.com: domain of thiago@macieira.org designates 78.47.120.188 as permitted sender) client-ip=78.47.120.188; Original-Received: from tjmaciei-mobl4.localnet (unknown [179.111.101.130]) by gondolin.macieira.info (Postfix) with ESMTPSA id CAEB311B76D for ; Fri, 26 Dec 2014 19:10:54 -0800 (PST) User-Agent: KMail/4.14.3 (Linux/3.11.10-21-desktop; KDE/4.14.3; x86_64; ; ) In-Reply-To: X-Original-Sender: thiago@macieira.org X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of thiago@macieira.org designates 78.47.120.188 as permitted sender) smtp.mail=thiago@macieira.org Precedence: list Mailing-list: list std-proposals@isocpp.org; contact std-proposals+owners@isocpp.org List-ID: X-Google-Group-Id: 399137483710 List-Post: , List-Help: , List-Archive: List-Subscribe: , List-Unsubscribe: , Xref: news.gmane.org gmane.comp.lang.c++.isocpp.proposals:15337 Archived-At: On Saturday 27 December 2014 01:52:21 Olaf van der Spek wrote: > On Fri, Dec 26, 2014 at 9:40 PM, Andy Prowl wrote: > > To conclude, IMO what is essential to have is a standard "contains()"; > > other algorithms may be added, but I don't find it compelling. > > Sounding natural sounds nice but IMO isn't a great argument. > What's the ratio of contains()'s to find()'s in your code? > In mine find() (or a wrapper of it) is far more common than contains(). $ git grep -E '\.(find|constFind)\(' -- \*.cpp \*.h | wc -l 553 $ git grep -E '\.contains\(' -- \*.cpp \*.h | wc -l 2977 -- Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org Software Architect - Intel Open Source Technology Center PGP/GPG: 0x6EF45358; fingerprint: E067 918B B660 DBD1 105C 966C 33F5 F005 6EF4 5358 -- --- You received this message because you are subscribed to the Google Groups "ISO C++ Standard - Future Proposals" group. To unsubscribe from this group and stop receiving emails from it, send an email to std-proposals+unsubscribe@isocpp.org. To post to this group, send email to std-proposals@isocpp.org. Visit this group at http://groups.google.com/a/isocpp.org/group/std-proposals/. .