220 24901 article Path: news.gmane.org!not-for-mail From: martin.tillmann@gmail.com Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Range erase for std::vector and other containers. Date: Thu, 3 Mar 2016 10:04:37 -0800 (PST) Lines: 58 Approved: news@gmane.org Message-ID: References: <9a7a06c1-860e-44b1-a865-8467c39d7e91@isocpp.org> <5846f36a-8119-4ec0-b1bd-fcfe1bce27f7@isocpp.org> <024aea92-794f-435e-97a3-ad43dbc478bc@isocpp.org> <73454c65-98c8-4327-a0f4-858652f5009e@isocpp.org> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_414_1944500003.1457028277700" X-Trace: ger.gmane.org 1457028284 6091 80.91.229.3 (3 Mar 2016 18:04:44 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 3 Mar 2016 18:04:44 +0000 (UTC) Cc: martin.tillmann@gmail.com To: ISO C++ Standard - Future Proposals Original-X-From: std-proposals+bncBDFIZEER6YPBBNXZ4G3AKGQEULUGKMI@isocpp.org Thu Mar 03 19:04:41 2016 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-pf0-f199.google.com ([209.85.192.199]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1abXc8-0007br-QY for gclcip-std-proposals@m.gmane.org; Thu, 03 Mar 2016 19:04:41 +0100 Original-Received: by mail-pf0-f199.google.com with SMTP id o67sf45173566pfb.2 for ; Thu, 03 Mar 2016 10:04:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=isocpp-org.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:message-id:in-reply-to:references:subject :mime-version:x-original-sender:reply-to:precedence:mailing-list :list-id:x-spam-checked-in-group:list-post:list-help:list-archive :list-subscribe:list-unsubscribe; bh=fdtDKYjWLofzovFQeehvU4FtwB6KBCGSGDVwgoSElTc=; b=c+0N48Ya2cPb71MdFChp0GcfcIW44iF/+rxWWgogF4a+ysL54dsnhjYZH7okYCeC3d 3PPBaWhQKYt+UkE3BYVbGQlwSuC5PeqqY8f7TD4DKmtxCPwd+/aGW1SgoiPJ4zIkUKQ6 vii6xt+5LoYy8/QLIz72NJHQXn+PDRKrvYhx9rr6nDXKjeLWyAkTHiTC/u/iBo2i2+FA DOrVqNepzyPvtuu67oTxVjXOQE/FqNKTKKSM29enYLyxP8XAAdcz8UJPVSJporMcmUGG qsuOigkjJN95bsZxw3QHy1vwQuoYTNwDEkOS9Fb6xxbVnS/pzMR8qMSNyWrwCHPmsP3j Fekg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=date:from:to:cc:message-id:in-reply-to:references:subject :mime-version:x-original-sender:reply-to:precedence:mailing-list :list-id:x-spam-checked-in-group:list-post:list-help:list-archive :list-subscribe:list-unsubscribe; bh=fdtDKYjWLofzovFQeehvU4FtwB6KBCGSGDVwgoSElTc=; b=z1JrRB6h6m4kh3iYFxl6dgpMswut2eEFVhWWNtIFWGbxna19REvs+AZ9MZ3myF0dwz YbTJETN2mV/0sxhi+4o8sSMt+GRWvrvXF2cEueE5HeoVqsDl4Qniixpm/0NAuM5Y435r 6yvrzfqsfdE8dd4NljUuvcuPibmeFqEDDFcH0NRKGwlhClsAPopK2GY9hPUB7Ahum+0h SU6RTaXOLRoLXk+LVkMmjKOCt9w5CF36mcHu6hQH5LnM8HnW3UyOSzzaUgDYI9RKF5uO 5WzCWs8sTpwyFd2n9Z7m+LGJGz/qo1WCmAcUARQ0fOjpwu4SGllprkeJ7Sr9mruV3odz 9tmg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:date:from:to:cc:message-id:in-reply-to :references:subject:mime-version:x-original-sender:reply-to :precedence:mailing-list:list-id:x-spam-checked-in-group:list-post :list-help:list-archive:list-subscribe:list-unsubscribe; bh=fdtDKYjWLofzovFQeehvU4FtwB6KBCGSGDVwgoSElTc=; b=glIT+qcG8lKTRuK1qSzWmb2FD4W6H3/yGqNKH4jZNL65APGoZAgZq4YEG640pnwb8G gDJWmK9H30pcNSNbg3sE5IGA6djXdDHKIIwYlehXwY59UpI3ClL53lrbqn8lBlupcbmf vb45SyTFfWe/tbSPoO6VWhsijjep6rsRz1735lqbZysokbmQhgerNeBXJuR2wu78lrC4 VJ6TEi1EYZScQ1MTuLhlGAwgADqzlOLJQU3PCywOtRV4SZh5DzdnaEgoNNSGxjKLovlW IgdOyNlcVulkaGLGRyo3a53VY2rMh9MwblKu1UYLhTfyE+Uod/brE9WEaFtCBXH/Y8tZ fRcA== X-Gm-Message-State: AD7BkJLNnmNbvI1N1mU5ZgAvrLHJCozDZ1Vp//zch8BSDDiJitKEeA5ofhAGuhQ8N8dPEA== X-Received: by 10.66.216.100 with SMTP id op4mr2758676pac.9.1457028279748; Thu, 03 Mar 2016 10:04:39 -0800 (PST) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.50.102.73 with SMTP id fm9ls18842igb.44.gmail; Thu, 03 Mar 2016 10:04:38 -0800 (PST) X-Received: by 10.50.109.230 with SMTP id hv6mr18697igb.2.1457028278666; Thu, 03 Mar 2016 10:04:38 -0800 (PST) In-Reply-To: X-Original-Sender: martin.tillmann@gmail.com Precedence: list Mailing-list: list std-proposals@isocpp.org; contact std-proposals+owners@isocpp.org List-ID: X-Spam-Checked-In-Group: std-proposals@isocpp.org 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:24901 Archived-At: ------=_Part_414_1944500003.1457028277700 Content-Type: multipart/alternative; boundary="----=_Part_415_592921341.1457028277700" ------=_Part_415_592921341.1457028277700 Content-Type: text/plain; charset=UTF-8 Thank you, this is a good explanation. So in conculsion it is only feasible for mapped containers like std::set and would need an new name to not collide with the sementics of the existing range erase. The existing methods like for(auto& x : vector) set.erase(x); or std::remove_if with a custom predicate seemed like something the library could abstract from, especially since this is such a straight forward use-case. -- 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. To view this discussion on the web visit https://groups.google.com/a/isocpp.org/d/msgid/std-proposals/b2929634-db24-427d-8f54-8b8ff4b047ef%40isocpp.org. ------=_Part_415_592921341.1457028277700 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Thank you, this is a good explanation.

So in concul= sion it is only feasible for mapped containers like std::set and would need an new name to = not collide with the sementics of the existing range erase.
The existing methods likefor(auto& x : vect= or) set.erase(x);
or std::remove_if with a custom predicate seemed like something= the library could abstract from, especially since this is such a straight = forward use-case.

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