220 13357 <41532757.1abU70X0Ru@tjmaciei-mobl4> article Path: news.gmane.org!not-for-mail From: Thiago Macieira Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Re: proposal: deprecate failure to return (without annotation) Date: Mon, 29 Sep 2014 21:29:34 -0700 Lines: 50 Approved: news@gmane.org Message-ID: <41532757.1abU70X0Ru@tjmaciei-mobl4> References: <7890243.H6e3ul2NkU@tjmaciei-mobl4> 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 1412051392 26278 80.91.229.3 (30 Sep 2014 04:29:52 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 30 Sep 2014 04:29:52 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBCB4TK757YBRBOHDVCQQKGQEHULAWQA@isocpp.org Tue Sep 30 06:29:47 2014 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-wi0-f199.google.com ([209.85.212.199]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1XYp4M-00007C-Js for gclcip-std-proposals@m.gmane.org; Tue, 30 Sep 2014 06:29:46 +0200 Original-Received: by mail-wi0-f199.google.com with SMTP id d1sf786219wiv.10 for ; Mon, 29 Sep 2014 21:29:46 -0700 (PDT) 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:x-original-sender :x-original-authentication-results:reply-to:precedence:mailing-list :list-id:list-post:list-help:list-archive:list-subscribe :list-unsubscribe:content-type; bh=tDX2wvbxlJSSfbu49MdFp6GOleuUfB9+gZ+w66ZKzZg=; b=CFrDgwE7oaw0gNgzqyQhqxs321+K5+GDQT6Q7UTmf+dKJ8f8Te2B+nyJyN/TTjpR9q T7ZhE23tXfSrU9vKqESwkfSYf5NO6aU57vJwuH5vfGS3vuYVzGjMudwUCT+z8+p7l9HW 8TXyR9zqfbALhnxRBj5DtXy76NdmAXiHRanJkFxmkdDBAg6fQ/0kYmQduCufHJObDDY3 d3tvu3mP4lm4ss5pb2M+PnCDmt1sjUL3NWwTxctuZ2SavVVKi2PgZIFnYH0lkCoHyOOp UT7xfYAeAxn6bJwn9Y1OP9gfxHKQQlnFlUShWOQwUqJjmBpr8uGUTkqsx2HtGEqdzXe7 hfhQ== X-Gm-Message-State: ALoCoQnbXmzQ0yetvTmlTMhpEj+YKZynIqchkotwTXJbkNebs0EgtrXvvDl95WPCVxR9u7Jbssg/ X-Received: by 10.112.76.229 with SMTP id n5mr1285685lbw.8.1412051386262; Mon, 29 Sep 2014 21:29:46 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.152.18.131 with SMTP id w3ls398595lad.79.gmail; Mon, 29 Sep 2014 21:29:43 -0700 (PDT) X-Received: by 10.152.23.99 with SMTP id l3mr44171486laf.39.1412051383926; Mon, 29 Sep 2014 21:29:43 -0700 (PDT) Original-Received: from gondolin.macieira.info (gondolin.macieira.info. [78.47.120.188]) by mx.google.com with ESMTP id qn1si7702737lbb.23.2014.09.29.21.29.43 for ; Mon, 29 Sep 2014 21:29:43 -0700 (PDT) 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 [IPv6:2601:7:1c80:58c:789f:7f79:9a8f:12c4]) by gondolin.macieira.info (Postfix) with ESMTPSA id 6A5DD11B7FD for ; Mon, 29 Sep 2014 21:29:41 -0700 (PDT) User-Agent: KMail/4.14 (Linux/3.11.10-21-desktop; KDE/4.14.0; 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:13357 Archived-At: On Monday 29 September 2014 16:28:04 gmisocpp@gmail.com wrote: > // Richards example with my additions: > > void app_exit() > { > exit(EXIT_FAILURE); > } > > enum E { a, b, c }; > int f(E e) { > // switch cases must cover all enum values or trigger error/warning. > switch (e) [[switch_on_all_enum_values]] (E) { > case a: return 1; > case b: return 2; > case c: return 3; > } > noreturn { // Whatever happens in here, there must be no way out. > app_exit(); > } [...] > } No, but this would: enum E { a, b, c }; int f(E e) { // switch cases must cover all enum values or trigger error/warning. switch (e) [[switch_on_all_enum_values]] (E) { case a: return 1; case b: return 2; case c: return 3; } noreturn { } } -- 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/. .