220 31801 article Path: news.gmane.org!.POSTED!not-for-mail From: Viacheslav Usov Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: This variable should not be named: an identifier (not) to remember Date: Tue, 28 Mar 2017 11:08:18 +0200 Lines: 75 Approved: news@gmane.org Message-ID: References: <985b9b2a-c734-45eb-95f4-db4dc0d309a1@isocpp.org> <7EF863A1-1454-4116-9164-676FF19BF923@gmail.com> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: multipart/alternative; boundary=001a114999c602cf65054bc6cd8e X-Trace: blaine.gmane.org 1490692104 21950 195.159.176.226 (28 Mar 2017 09:08:24 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 28 Mar 2017 09:08:24 +0000 (UTC) To: "ISO C++ Standard - Future Proposals" Original-X-From: std-proposals+bncBDU6VRPKW4BBBA6Q5DDAKGQELJ5VCNA@isocpp.org Tue Mar 28 11:08:20 2017 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-pg0-f72.google.com ([74.125.83.72]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1csn6s-0004Xg-6B for gclcip-std-proposals@m.gmane.org; Tue, 28 Mar 2017 11:08:14 +0200 Original-Received: by mail-pg0-f72.google.com with SMTP id 81sf106135998pgh.3 for ; Tue, 28 Mar 2017 02:08:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=isocpp-org.20150623.gappssmtp.com; s=20150623; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :x-original-sender:x-original-authentication-results:reply-to :precedence:mailing-list:list-id:x-spam-checked-in-group:list-post :list-help:list-archive:list-subscribe:list-unsubscribe; bh=CY5dsXLgfmFjb2OrYR+V11xIAfJAU7GTTjSbCn35k88=; b=rasmI4ipDZO711qf5N4adsW1I3LDKlIEjL86xwrIzG6UdxX12OKpBnVdM0P7rZisWm BsmZvUnLsdLKVsk6d/1v3LrZI9lRfM/Hi7TMwDzH9UGgpUpfvUHHJg+vs1hWLbH1R3lx ZOm6kThJb/h0bITrpiVOAlYfubeRvhw1PV+HYj9EzJ/UWatN5N3awq6wQ21eAKctgh3r wY4JlAD0M+yZk3j/L57v7/RRJscWfM83gmpHIwnmpwecJLw/5aHIfZDtsrcVUle3bc8k PYLpNDnSXH10fcAmPDI3NW4hPezJf0yBgQyzajotOLOAJjqAp8nS1fHxp9huwYeU0hrz PUhg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:x-original-sender :x-original-authentication-results:reply-to:precedence:mailing-list :list-id:x-spam-checked-in-group:list-post:list-help:list-archive :list-subscribe:list-unsubscribe; bh=CY5dsXLgfmFjb2OrYR+V11xIAfJAU7GTTjSbCn35k88=; b=mQy1FQ5ppNsj7umw6qCP1gU/eWvcdNmdYY9YIkME6TKPcjjtwv+sULpE5HJkTZnSAj P8/3ljbN2QZLiBDo5JXVVykRHFFqJ+4vB5Y9MgFUHaXyEuS575H56+s1WgW2avYhYs7L 8Splpluduo5ukYxUJ6IeEN8UIyeslGJSikfH9zFsXkBr3E5iJr3pNUDlF7LDXXS3+QIU FIQc+e1i9jBdKvxm8gYXvieluLLF5YpKRwFODq+CAo2oh7dUE05PcxpzmvJG55loah0Q gjw8st0ZXoI4sV/ps467kJ6rynA9FkyNSgpDrxRaqeUPywvnK+HeVflUKFiUlV3j+CqY QdwQ== X-Gm-Message-State: AFeK/H0UXw2ZoGZl1386Dae5jquFzhdWtGD+A6E8w80SsZY+hP5yvsWHJMN42eB4PtXiIg== X-Received: by 10.98.209.78 with SMTP id t14mr6878577pfl.0.1490692099863; Tue, 28 Mar 2017 02:08:19 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.157.48.22 with SMTP id d22ls2045615otc.43.gmail; Tue, 28 Mar 2017 02:08:19 -0700 (PDT) X-Received: by 10.200.35.36 with SMTP id a33mr24401885qta.216.1490692099084; Tue, 28 Mar 2017 02:08:19 -0700 (PDT) Original-Received: from mail-qk0-x22d.google.com (mail-qk0-x22d.google.com. [2607:f8b0:400d:c09::22d]) by mx.google.com with ESMTPS id o142si2966718qke.72.2017.03.28.02.08.19 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 28 Mar 2017 02:08:19 -0700 (PDT) Received-SPF: pass (google.com: domain of via.usov@gmail.com designates 2607:f8b0:400d:c09::22d as permitted sender) client-ip=2607:f8b0:400d:c09::22d; Original-Received: by mail-qk0-x22d.google.com with SMTP id d10so53975985qke.1 for ; Tue, 28 Mar 2017 02:08:19 -0700 (PDT) X-Received: by 10.55.212.193 with SMTP id s62mr17209421qks.254.1490692098669; Tue, 28 Mar 2017 02:08:18 -0700 (PDT) Original-Received: by 10.12.157.78 with HTTP; Tue, 28 Mar 2017 02:08:18 -0700 (PDT) In-Reply-To: <7EF863A1-1454-4116-9164-676FF19BF923@gmail.com> X-Original-Sender: via.usov@gmail.com X-Original-Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com; spf=pass (google.com: domain of via.usov@gmail.com designates 2607:f8b0:400d:c09::22d as permitted sender) smtp.mailfrom=via.usov@gmail.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=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:31801 Archived-At: --001a114999c602cf65054bc6cd8e Content-Type: text/plain; charset=UTF-8 On Tue, Mar 28, 2017 at 8:22 AM, Alberto Barbati wrote: > Thanks a lot for the pointer! Whoa! This issue is ancient... I'll make sure the next version will have a reference to it and address the concerns it raises. This keeps coming back to this forum. For example, this: https://groups.google.com/a/isocpp.org/d/msg/std-proposals/ioi76TkG6g4/G8WC37LVAAAJ My take on this is that we should have an operator or a keyword that extends the lifetime of a temporary, as discussed here https://groups.google.com/a/isocpp.org/d/msg/std-proposals/ioi76TkG6g4/bdUinF-3AQAJ and subsequent posts, notably this https://groups.google.com/a/isocpp.org/d/msg/std-proposals/ioi76TkG6g4/bdUinF-3AQAJ and this https://groups.google.com/a/isocpp.org/d/msg/std-proposals/ioi76TkG6g4/5JrGmugAAgAJ Cheers, V. -- 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/CAA7YVg1m%2BZHyDdVf6UCVL98Ne_FvGt6SMNZd4OUgY3pHFyxNwg%40mail.gmail.com. --001a114999c602cf65054bc6cd8e Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
On T= ue, Mar 28, 2017 at 8:22 AM, Alberto Barbati <albertobarbati@gmail= ..com> wrote:

> Thanks a lot for the= pointer! Whoa! This issue is ancient... I'll make sure the next versio= n will have a reference to it and address the concerns it raises.

This keeps coming back to this forum. For example, this:=C2= =A0https://groups.google.com/a/isocpp.org/d/msg/std-pr= oposals/ioi76TkG6g4/G8WC37LVAAAJ

My take on th= is is that we should have an operator or a keyword that extends the lifetim= e of a temporary, as discussed here https://groups.goo= gle.com/a/isocpp.org/d/msg/std-proposals/ioi76TkG6g4/bdUinF-3AQAJ=C2=A0= and subsequent posts, notably this=C2=A0https://groups= ..google.com/a/isocpp.org/d/msg/std-proposals/ioi76TkG6g4/bdUinF-3AQAJ a= nd this=C2=A0https://groups.google.com/a/isocpp.org/d/= msg/std-proposals/ioi76TkG6g4/5JrGmugAAgAJ

Che= ers,
V.

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