220 3591 article Path: news.gmane.org!not-for-mail From: Tony V E Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: "break break ;" etc. to break out of nested loops Date: Fri, 5 Apr 2013 18:23:20 -0400 Lines: 106 Approved: news@gmane.org Message-ID: 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: multipart/alternative; boundary=f46d04016c39dc713504d9a488aa X-Trace: ger.gmane.org 1365270588 14525 80.91.229.3 (6 Apr 2013 17:49:48 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 6 Apr 2013 17:49:48 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBCUZ5QWKNQINVHP5RICRUBA7CC5GG@isocpp.org Sat Apr 06 19:49:50 2013 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-wi0-f200.google.com ([209.85.212.200]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1UOWZV-00057Y-Dm for gclcip-std-proposals@m.gmane.org; Sat, 06 Apr 2013 19:06:33 +0200 Original-Received: by mail-wi0-f200.google.com with SMTP id hi18sf2229787wib.3 for ; Sat, 06 Apr 2013 10:06:32 -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:mime-version :x-received:in-reply-to:references:date:message-id:subject:from: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=Ak9Ve5YasTzlsOI8AA02lsYTtkl3+GR5WAOhZ1vlJ9s=; b=vJmskD23/F3gthFMs1VnIHUIEMbDmNyu2Y5fk+CuBvdDUZPjXRjZZDR5cY7uHErgJb Euwx11By2LuRf99iSTZRQngxinN6hYmP7CYXwUZWGt1KNHB1Gf0VF3nR0FcOKNIURB8D etVjfYLHDNygyb8tVPfAsePzuBr9UzDxsnrL/XRuyLmwazn0sp52Ur75jnYfeoVDF38l c/ELHV89VbMxRQPdTOZFqrgtHKZfN8S+tFxCJljcZhCkGl0ESRg5ZnxzxO5l5zlQ5kyj MgeHIGLFrYWyPa7g5KCEH/Q08MOwsRNoYc7YgJdPoH5NI72iYxUgaZBr4XumlDvFOMWP X-Received: by 10.112.34.37 with SMTP id w5mr2388142lbi.8.1365200602768; Fri, 05 Apr 2013 15:23:22 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.152.145.136 with SMTP id su8ls207034lab.59.gmail; Fri, 05 Apr 2013 15:23:21 -0700 (PDT) X-Received: by 10.152.133.133 with SMTP id pc5mr7148743lab.32.1365200601201; Fri, 05 Apr 2013 15:23:21 -0700 (PDT) Original-Received: from mail-la0-x22d.google.com (mail-la0-x22d.google.com [2a00:1450:4010:c03::22d]) by mx.google.com with ESMTPS id iz6si5707641lab.84.2013.04.05.15.23.21 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 05 Apr 2013 15:23:21 -0700 (PDT) Received-SPF: pass (google.com: domain of tvaneerd@gmail.com designates 2a00:1450:4010:c03::22d as permitted sender) client-ip=2a00:1450:4010:c03::22d; Original-Received: by mail-la0-f45.google.com with SMTP id fn20so434650lab.4 for ; Fri, 05 Apr 2013 15:23:20 -0700 (PDT) X-Received: by 10.112.82.164 with SMTP id j4mr7136712lby.112.1365200600851; Fri, 05 Apr 2013 15:23:20 -0700 (PDT) Original-Received: by 10.112.83.103 with HTTP; Fri, 5 Apr 2013 15:23:20 -0700 (PDT) In-Reply-To: <1f964e4b-2762-43b8-85e5-41392926b07a@isocpp.org> X-Original-Sender: tvaneerd@gmail.com X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of tvaneerd@gmail.com designates 2a00:1450:4010:c03::22d as permitted sender) smtp.mail=tvaneerd@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:3591 Archived-At: --f46d04016c39dc713504d9a488aa Content-Type: text/plain; charset=ISO-8859-1 On Fri, Apr 5, 2013 at 3:23 PM, wrote: > I suggest the following syntax: > > The *break break* statement jumps out of the second-nearest enclosing *do, > for, switch, *or *while *statement. > The *break break* *break *statement jumps out of the third-nearest > enclosing *do, for, switch, *or *while *statement. > The *break break* *break break *statement jumps out of the fourth-nearest > enclosing *do, for, switch, *or *while *statement. > > break; break(2); break(3); break(4); (and break(1) would also work). Not sure about runtime values int n = ... break(n); And I'd rather have: break name; For a named loop construct somehow. Maybe label: for (;;) { break label; } And all that is not saying I agree with any of it, or really want it; just some suggestions. Tony -- --- 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. --f46d04016c39dc713504d9a488aa Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable



On Fri, Apr 5, 2013 at 3:23 PM, <temptony@freemail.hu><= /span> wrote:
I suggest the following syntax:
The=A0break=A0break statement jumps out of the second-ne= arest enclosing=A0do, for, switch,=A0or=A0while=A0statement.<= br>
The=A0break=A0break=A0break=A0statement jumps out = of the third-nearest enclosing=A0do, for, switch,=A0or=A0while=A0= statement.
The=A0break=A0break=A0break break=A0= statement jumps out of the fourth-nearest enclosing=A0do, for, switc= h,=A0or=A0while=A0statement.


break;
break= (2);
break(3);
break(4);
=A0
(and break(1) wou= ld also work).

Not sure about runti= me values

int n =3D ...
break(n);

And I'd r= ather have:

break name;

For a named loop construct somehow. Maybe

label: for (;;)
{
=A0=A0 brea= k label;
}


And all that is not saying I agree with any of it, or really want it; just = some suggestions.

Tony

--
 
---
You received this message because you are subscribed to the Google Groups &= quot;ISO C++ Standard - Future Proposals" group.
To unsubscribe from this group and stop receiving emails from it, send an e= mail 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-pro= posals/?hl=3Den.
 
 
--f46d04016c39dc713504d9a488aa-- .