220 33767 article Path: news.gmane.org!.POSTED!not-for-mail From: Bo Persson Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: A more advanced switch Date: Thu, 10 Aug 2017 04:23:10 +0200 Lines: 65 Approved: news@gmane.org Message-ID: References: <574320af-c1ae-4676-883c-ae4e91fcd874@isocpp.org> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8"; format=flowed X-Trace: blaine.gmane.org 1502331804 30550 195.159.176.226 (10 Aug 2017 02:23:24 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Thu, 10 Aug 2017 02:23:24 +0000 (UTC) User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBCZ6RLW3UIKBBFUHV7GAKGQEVTZ3PKQ@isocpp.org Thu Aug 10 04:23:20 2017 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-wr0-f197.google.com ([209.85.128.197]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dfd7y-0007R1-Cg for gclcip-std-proposals@m.gmane.org; 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Original-Received: from list by blaine.gmane.org with local (Exim 4.84_2) (envelope-from ) id 1dfd7u-0007H2-Qs for std-proposals@isocpp.org; Thu, 10 Aug 2017 04:23:10 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 58 Original-X-Complaints-To: usenet@blaine.gmane.org In-Reply-To: Content-Language: sv X-Original-Sender: gclcip-std-proposals@m.gmane.org X-Original-Authentication-Results: mx.google.com; spf=neutral (google.com: 195.159.176.226 is neither permitted nor denied by best guess record for domain of gclcip-std-proposals@m.gmane.org) smtp.mailfrom=gclcip-std-proposals@m.gmane.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:33767 Archived-At: On 2017-08-10 03:13, gmisocpp@gmail.com wrote: > > > On Thursday, August 10, 2017 at 5:08:18 AM UTC+12, Tony V E wrote: > > break by default is fine, how do I opt-out within switch break, or > is it all or nothing? > > switch break(x) > { > case 1: > case 2: > foo(); > case 3: > bar(); > case 4: > etc(); > } > > > How do I get fallthru on case 1 to 2? > > > I would not object to fallthrough being a keyword like so (but see later): > > switch break(x) > { > case 1: fallthrough; > case 2: > foo(); > case 3: > bar(); > case 4: > etc(); > } > That would make it really experts-only, as we already have the current version switch (x) { case 1: [[fallthrough]]; case 2: foo(); case 3: bar(); case 4: etc(); } How many variations do we need? Bo Persson -- 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/omgg26%24pob%241%40blaine.gmane.org. .