220 24587 article Path: news.gmane.org!not-for-mail From: Matthew Woehlke Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: throwaway variable Date: Mon, 22 Feb 2016 10:35:20 -0500 Lines: 26 Approved: news@gmane.org Message-ID: References: <9658e852-6254-4ecf-a6d4-879160d4de7d@isocpp.org> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1456155616 10249 80.91.229.3 (22 Feb 2016 15:40:16 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 22 Feb 2016 15:40:16 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBC37LBFWUIFBBVWXVS3AKGQEE4RCMRQ@isocpp.org Mon Feb 22 16:40:09 2016 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-lf0-f71.google.com ([209.85.215.71]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1aXsal-0006Xa-Fz for gclcip-std-proposals@m.gmane.org; Mon, 22 Feb 2016 16:40:07 +0100 Original-Received: by mail-lf0-f71.google.com with SMTP id j99sf49567887lfi.1 for ; Mon, 22 Feb 2016 07:40:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=isocpp-org.20150623.gappssmtp.com; s=20150623; h=to:from:subject:date:lines:message-id:references:mime-version :content-type:content-transfer-encoding:user-agent:in-reply-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=dyPOfByj5W05GTBMZhPfmToQGgNbzv2fM4tJJm7daNQ=; b=Qa3YoKoSBw4qRtXAq+08nVHyocyNeV4kvLwkP5rqeFhjd3KIQd3jrzJZK4DUCDrgVI RJicsnG/iyptM30pmjGA19mvWGIaQMISvIkX+uK9KseudY7yC+gV1Z7IcN0Ug/AkrpZL yUs673WQT0ieRTjH7JZNdXRHifuwq8S+pzEaGJzH2EabnfO2jNTuszBTHiWF/G0cxFCo 0vGOUR1jrwI7PyN5HTu8gZVnOCyemhdBZHFZdfMxo9yQvsm4Ek0LHg9tShwXxDc8fl/w hLt0rfYK2C/oZk9hvsMN44zNKh/0e7URFacw8cPzrO71UxVe0P4Kbqj X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:to:from:subject:date:lines:message-id:references :mime-version:content-type:content-transfer-encoding:user-agent :in-reply-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=dyPOfByj5W05GTBMZhPfmToQGgNbzv2fM4tJJm7daNQ=; b=Ej+WmVvFh2TGXyxbsaPonorig90eYjnldKDC9fr+GJ1sllskqXw9Q953fxXVNGCduM hoUNjyHYxcOmUnkpDnfEe7ITX31Wuzslygd6mmobOGVwEXOhQZplYmfPQYmGOJnUAl11 ZMZb5Lh68KefoiPA2iFJIBCbdhI80T9Wk5i/QCavznlQpFkfYaAPL07nmXFW2sW0hXb3 MbwVq8L0HGk+ikLgh0vZzso3OSSOXCLCJT0bScG29W1UQTY8d1uzIAXC74Q+BnSYPyeN a0x9CZiSO4oz41aHmw+PaL8/ZeG05oensOKV6LHt4YqHoIQOEkw X-Gm-Message-State: AG10YOTMebg7+zOTeSzaVpoOEtyfOb7Y+u80mJfK4AMZeN0SXPmqO+GUMxpgHQOQ/qeqtg== X-Received: by 10.194.85.169 with SMTP id i9mr3494608wjz.4.1456155607009; Mon, 22 Feb 2016 07:40:07 -0800 (PST) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.25.145.149 with SMTP id t143ls283237lfd.105.gmail; Mon, 22 Feb 2016 07:40:05 -0800 (PST) X-Received: by 10.112.139.104 with SMTP id qx8mr10348359lbb.88.1456155605685; Mon, 22 Feb 2016 07:40:05 -0800 (PST) Original-Received: from plane.gmane.org (plane.gmane.org. [80.91.229.3]) by mx.google.com with ESMTPS id jc5si13633011lbc.197.2016.02.22.07.40.05 for (version=TLS1 cipher=AES128-SHA bits=128/128); Mon, 22 Feb 2016 07:40:05 -0800 (PST) Received-SPF: pass (google.com: domain of gclcip-std-proposals@m.gmane.org designates 80.91.229.3 as permitted sender) client-ip=80.91.229.3; Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1aXsah-0006Se-7o for std-proposals@isocpp.org; Mon, 22 Feb 2016 16:40:03 +0100 Original-Received: from tripoint.kitware.com ([66.194.253.20]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 22 Feb 2016 16:40:03 +0100 Original-Received: from mwoehlke.floss by tripoint.kitware.com with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 22 Feb 2016 16:40:03 +0100 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 15 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: tripoint.kitware.com User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 In-Reply-To: X-Original-Sender: mwoehlke.floss@gmail.com X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of gclcip-std-proposals@m.gmane.org designates 80.91.229.3 as permitted sender) smtp.mailfrom=gclcip-std-proposals@m.gmane.org; dmarc=fail (p=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-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:24587 Archived-At: On 2016-02-21 08:55, Viacheslav Usov wrote: > On Fri, Feb 19, 2016 at 9:06 PM, Patrice Roy wrote: >> I often use _ as =C2=ABuninteresting but needed=C2=BB variables such as >> lock_guards. Please don't break my code :) >=20 > I would even say that this case, "uninteresting but needed" is more > interesting. It would be nice to have a language construct that creates a= n > "anonymous" variable in the current scope. Alternatively, this could be > conceptualized as a temporary whose lifetime is extended till the end of > the current scope. Is that not what we're proposing? --=20 Matthew --=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/naf9ro%2436k%242%40ger.gmane.org. .