220 3587 <515FC3B0.2090803@gmail.com> article Path: news.gmane.org!not-for-mail From: Reverend Chip Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: "break break ;" etc. to break out of nested loops Date: Fri, 05 Apr 2013 23:41:52 -0700 Lines: 28 Approved: news@gmane.org Message-ID: <515FC3B0.2090803@gmail.com> References: <1f964e4b-2762-43b8-85e5-41392926b07a@isocpp.org> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 X-Trace: ger.gmane.org 1365269411 28066 80.91.229.3 (6 Apr 2013 17:30:11 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 6 Apr 2013 17:30:11 +0000 (UTC) Cc: Tony V E To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBCVIJ4NMUIKRBOEH76FAKGQEKOIXBJI@isocpp.org Sat Apr 06 19:30:09 2013 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-ia0-f199.google.com ([209.85.210.199]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1UOWtC-0007kr-Vt for gclcip-std-proposals@m.gmane.org; Sat, 06 Apr 2013 19:26:55 +0200 Original-Received: by mail-ia0-f199.google.com with SMTP id o25sf16582577iad.2 for ; Sat, 06 Apr 2013 10:26:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:x-beenthere:x-received:received-spf:x-received :message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:x-original-sender :x-original-authentication-results:reply-to:precedence:mailing-list :list-id:x-google-group-id:list-post:list-help:list-archive :list-subscribe:list-unsubscribe:content-type; bh=Y6eVzzq6KxHcExd7/+YKynMpTzbTjrSP5ZD3xSN9TmI=; b=oZ/i6A6wlXpGCUxcScFCzGADRGo9px87sTDy1Z02NjgF409pxgO3jrPt5o5IhsAMMg cFrIGAm9yAlxjoS9r3F7nvKr3DWZL9l6I7RluJRimN5/pi6V4IWlen/mt57x7ng6xG9m 3VAKRKUTAdZ3DBkugS4BDALAs3t4mS6nl3EsLVZsvEhJ/ZfNj9bOp26XHNJr1dnMLKcz oZz1zd2k7bF0QTV7yIuGnr9bKx1VS5D0boL4UN7xDQPzTyNnfSwCT06VrBgDML9B5Dww WOlzsh4vT9qZHgYrBGx85/fDoTsFSeBjrZ9cr/qejuKTlW X-Received: by 10.42.55.19 with SMTP id t19mr9786831icg.31.1365230521009; Fri, 05 Apr 2013 23:42:01 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.50.171.102 with SMTP id at6ls1049051igc.19.gmail; Fri, 05 Apr 2013 23:41:59 -0700 (PDT) X-Received: by 10.68.125.169 with SMTP id mr9mr18226769pbb.74.1365230519112; Fri, 05 Apr 2013 23:41:59 -0700 (PDT) Original-Received: from mail-pa0-f49.google.com (mail-pa0-f49.google.com [209.85.220.49]) by mx.google.com with ESMTPS id eh10si2654763pac.318.2013.04.05.23.41.59 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 05 Apr 2013 23:41:59 -0700 (PDT) Received-SPF: pass (google.com: domain of rev.chip@gmail.com designates 209.85.220.49 as permitted sender) client-ip=209.85.220.49; Original-Received: by mail-pa0-f49.google.com with SMTP id kp14so2361715pab.8 for ; Fri, 05 Apr 2013 23:41:59 -0700 (PDT) X-Received: by 10.66.150.165 with SMTP id uj5mr18993654pab.37.1365230519026; Fri, 05 Apr 2013 23:41:59 -0700 (PDT) Original-Received: from [192.168.11.121] ([76.197.4.249]) by mx.google.com with ESMTPS id in5sm17341615pbc.20.2013.04.05.23.41.54 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 05 Apr 2013 23:41:57 -0700 (PDT) User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/20130328 Thunderbird/17.0.5 In-Reply-To: X-Original-Sender: rev.chip@gmail.com X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of rev.chip@gmail.com designates 209.85.220.49 as permitted sender) smtp.mail=rev.chip@gmail.com; dkim=pass header.i=@gmail.com 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:3587 Archived-At: On 4/5/2013 3:23 PM, Tony V E wrote: > label: for (;;) > { > break label; > } Yes, please; if this must be done, this is the way. It's one of the things that's actually worth borrowing from Perl. The label is semantically useful, and not brittle if another level is added. Thus: line: while (cin >> s) { ... if (COND) continue line; ... } -- --- 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/?hl=en. .