220 35948 <1c22e46b-8c8a-4710-91c8-547506598923@isocpp.org> article Path: news.gmane.org!.POSTED!not-for-mail From: Nicol Bolas Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: auto return proposal Date: Sun, 17 Dec 2017 07:14:29 -0800 (PST) Lines: 67 Approved: news@gmane.org Message-ID: <1c22e46b-8c8a-4710-91c8-547506598923@isocpp.org> References: Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_12218_81903264.1513523669859" X-Trace: blaine.gmane.org 1513523554 25905 195.159.176.226 (17 Dec 2017 15:12:34 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sun, 17 Dec 2017 15:12:34 +0000 (UTC) To: ISO C++ Standard - Future Proposals Original-X-From: std-proposals+bncBCEKFTV6ZUMBBVUT3LIQKGQESPAQPBI@isocpp.org Sun Dec 17 16:12:30 2017 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-vk0-f72.google.com ([209.85.213.72]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eQac9-0006Px-SH for gclcip-std-proposals@m.gmane.org; Sun, 17 Dec 2017 16:12:30 +0100 Original-Received: by mail-vk0-f72.google.com with SMTP id x184sf6388326vkc.2 for ; Sun, 17 Dec 2017 07:14:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=isocpp-org.20150623.gappssmtp.com; s=20150623; h=date:from:to:message-id:in-reply-to:references:subject:mime-version :x-original-sender:reply-to:precedence:mailing-list:list-id :list-post:list-help:list-archive:list-subscribe:list-unsubscribe; bh=S7xKF0IOvjls5Mh9In1vCSYPjiXCQ1T/HkmaUEJFSo8=; b=igWUdAdxrsUSh6VBLNGtDAZrr8b+/wMEJHC7psdLuEjDwEZydTH+ZDH8uV/1sZcWfv pCbjicJ3igiUDAwKDzmQKeX5lJaYXnGphXmdbTBFMtm2GPMJnoSJQQt5BXUWOYYKOl9V Gd5gg+TJPMgL/uGlDx4Qp2S8GgzahFSo11Idoc3W5rvct9f0F9kmyqKJwi2Am0DVn0cP 2zajSkjXw9sKBH5JzPICt5m6Y3y7FjwiXFWglKPNmRS9H3lfOM2fjsWbzrS2Y75Qmc1a WKHSt84QlPS6Zj+ci0uXXhi5AAMUwLUN4dE3Imy+FDhtjBCEEMgSuXxiovmMVSJ3J/PV vhUw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:message-id:in-reply-to:references:subject:mime-version :x-original-sender:reply-to:precedence:mailing-list:list-id :list-post:list-help:list-archive:list-subscribe:list-unsubscribe; bh=S7xKF0IOvjls5Mh9In1vCSYPjiXCQ1T/HkmaUEJFSo8=; b=nApbEPzFNQ6u23BZHp9hRoY10u8OavlKkjFXaO59lsikKgxij6UsuHN8NJ0vUfzWwk V+ZJxVZ45LoDszph9DtpYC7d6Gu5LugDKrL36kY0l6Pctsw8fvZJ502CapxqQR8pWqWO JoNg/7mJlv7fiQkmo5ud95VcrxiAepEG25rjcQ6MBNW5S5WNtbaTKa/T9BkRKfXUOy/+ bs/OxVzl8HxAU3flX7yAL6oq40cSKSAhaJN6dEAUdpUrvbIm0iFioGbPic2/m6gtTkwk I3UzZ6M2pxnmP0TFccQVP3TSD1VWWmCWDcniMxZBEyoMM01jns7U/umlKCoMwQZOjMKJ lnyg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to: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=S7xKF0IOvjls5Mh9In1vCSYPjiXCQ1T/HkmaUEJFSo8=; b=cieSE4nEsjTm+L9tOvAKBdpdVo8a4yg7gVOaT11jLZdyuIrWkOMHc9C8mauVEl8/Ps Gj3kq/YsEHUi4L7o5vfIfc0meYqdqL3OopItnRz1FwJ6nvbO8kkn+F72WKyindL1+qZb 38ex1erjWYQUYy1xbVvOh63iQXT2xBW3qSvqx2UVgsbonb8w1z8eMKyCCaNs35SvrMPk I9BQJVDY/giJRDiFnkhsytlhInnE6cUHgt/FN+C66UrUmB+HCRvPCraUA0Tw2CdL0jpl 86YjPoujny6pj0Bu9f9YVd8FZdOQVvQSaRkEwR/oB6A5SL11CFRDdam56/TjABYkySLd deWg== X-Gm-Message-State: AKGB3mKvsgg2iH55yyqOMZdLEP+Ijnc7yANtbiJQUg5+RI3ZKB5kscCU 3kBF/vp+aPtMes4MGtoHMH3+Hw== X-Google-Smtp-Source: ACJfBosEIKJXbgk9C0SEG3y9vTJMr8nJQ99AyD3AN8HDayfgJRKaaSfcEBQ+N46e7dVcpO6I82PlFg== X-Received: by 10.176.90.47 with SMTP id l44mr10273137uad.54.1513523672005; Sun, 17 Dec 2017 07:14:32 -0800 (PST) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.31.238.201 with SMTP id m192ls2551435vkh.17.gmail; Sun, 17 Dec 2017 07:14:30 -0800 (PST) X-Received: by 10.31.158.84 with SMTP id h81mr452250vke.6.1513523670411; Sun, 17 Dec 2017 07:14:30 -0800 (PST) In-Reply-To: X-Original-Sender: jmckesson@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:35948 Archived-At: ------=_Part_12218_81903264.1513523669859 Content-Type: multipart/alternative; boundary="----=_Part_12219_394829314.1513523669859" ------=_Part_12219_394829314.1513523669859 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Sunday, December 17, 2017 at 3:53:19 AM UTC-5, Jos=C3=A9 Rodrigo wrote: > > I think os better define it as an attribute. > > Jabuticaba fun() > { > [[return]] auto j; > } > No. A program should be able to execute with essentially the same behavior= =20 if an attribute is removed. That would not be the case here; this is real= =20 semantics, so it needs to have real syntax to it. --=20 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 e= mail 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/1c22e46b-8c8a-4710-91c8-547506598923%40isocpp.or= g. ------=_Part_12219_394829314.1513523669859 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
On Sunday, December 17, 2017 at 3:53:19 AM UTC-5, Jos=C3= =A9 Rodrigo wrote:
I think os b= etter define it as an attribute.

Jabuticaba fun()
{
=C2=A0 =C2=A0 [= [return]] auto j;
}


No. A program sh= ould be able to execute with essentially the same behavior if an attribute = is removed. That would not be the case here; this is real semantics, so it = needs to have real syntax to it.

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