220 30274 article Path: news.gmane.org!.POSTED!not-for-mail From: "D. B." Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Zero initialization and std::uinitialized_t Date: Thu, 5 Jan 2017 08:44:35 +0000 Lines: 47 Approved: news@gmane.org Message-ID: References: Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: multipart/alternative; boundary=001a1145b1be3a4805054554e932 X-Trace: blaine.gmane.org 1483605889 20293 195.159.176.226 (5 Jan 2017 08:44:49 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Thu, 5 Jan 2017 08:44:49 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBCWNZ4ECS4GBB5EOXDBQKGQEWIYGE5Y@isocpp.org Thu Jan 05 09:44:45 2017 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-lf0-f69.google.com ([209.85.215.69]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cP3f3-0003Qv-Pf for gclcip-std-proposals@m.gmane.org; Thu, 05 Jan 2017 09:44:37 +0100 Original-Received: by mail-lf0-f69.google.com with SMTP id g12sf201092899lfe.5 for ; Thu, 05 Jan 2017 00:44:37 -0800 (PST) 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=v1Fad0j08wIPScxT8SSn0w8YwQG3xD/xnBRBaGZpBzU=; b=ooXR1pCccJltLwqmfCpBc2T2u0TU6LxJS7j7RsnlmEUBktgLDtx5wC9gcw8wuMViWp yZGJjede+LT7Q3KtmFb/Yr5pv8Smt8EFtD8q9Wds1yFguToW3SslQY3F0bGt8NipNTHC YcFvsNfhpJR808uUO5jBUEQq8Ik4rAASOHMzkAFLJEyBT4nOlu8/5U9dCZVZ71YAlfEv 3flifZF95AdYNE/CJNOoyYdv4TBFHu93mfQxaWlCRDU+UGzj0tpYtvgTZMsisYoOoNzY h5Wnq6ZVNYRLQUaqk2P4i3YdVvFMLUlLEcdS5L1pc0qPSA804D9on2LZ1XaPmjSfg3CW /4uw== 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=v1Fad0j08wIPScxT8SSn0w8YwQG3xD/xnBRBaGZpBzU=; b=o1oCn4vCPBrkU/Jh6dho1FejUg+S/X7iIfkyHXJktoEHCHzAa+H6v1IkdQpjZKXJAE ZteFCt+ZFGadB/BbC4kjIS7JT0vMMsfPwyXuI203In2otLCBCLr9kcCPXrcbfyXVQZu4 iL0gEuclWkBDaHORzoMxIZhOcDiWzdsIkYZWZ/uM8TxZhsUPdTZk7pNXwreeA7v1Zo6B RMu37QysHDFsbmxPsIteQjYLuudkW0Mq494z8j/1fPY/v6PGUAj71rj92OmCpfhll40s wYCXinJYg3tl+Ncl3BcowrQC1Xu+yTPdJbJCfWiEC3OOeUf3cM/rZ50bZft9XkfREjm0 g7Vg== X-Gm-Message-State: AIkVDXJU1eiuD2Q/7pJZR0s83WIZsz3rb4AtEJCLgIEzyZpBQOqfmM8sHf5lQWmPfd2htg== X-Received: by 10.46.78.9 with SMTP id c9mr6552145ljb.27.1483605877275; Thu, 05 Jan 2017 00:44:37 -0800 (PST) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.28.13.14 with SMTP id 14ls6553638wmn.15.gmail; Thu, 05 Jan 2017 00:44:36 -0800 (PST) X-Received: by 10.28.187.11 with SMTP id l11mr56422218wmf.72.1483605876374; Thu, 05 Jan 2017 00:44:36 -0800 (PST) Original-Received: from mail-wm0-x22a.google.com (mail-wm0-x22a.google.com. [2a00:1450:400c:c09::22a]) by mx.google.com with ESMTPS id zw7si84682284wjb.31.2017.01.05.00.44.36 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 05 Jan 2017 00:44:36 -0800 (PST) Received-SPF: pass (google.com: domain of db0451@gmail.com designates 2a00:1450:400c:c09::22a as permitted sender) client-ip=2a00:1450:400c:c09::22a; Original-Received: by mail-wm0-x22a.google.com with SMTP id c85so241231894wmi.1 for ; Thu, 05 Jan 2017 00:44:36 -0800 (PST) X-Received: by 10.28.229.72 with SMTP id c69mr65749526wmh.110.1483605876032; Thu, 05 Jan 2017 00:44:36 -0800 (PST) Original-Received: by 10.28.144.66 with HTTP; Thu, 5 Jan 2017 00:44:35 -0800 (PST) In-Reply-To: X-Original-Sender: db0451@gmail.com X-Original-Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com; spf=pass (google.com: domain of db0451@gmail.com designates 2a00:1450:400c:c09::22a as permitted sender) smtp.mailfrom=db0451@gmail.com; dmarc=pass (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-Google-Group-Id: 399137483710 List-Post: , List-Help: , List-Archive: List-Subscribe: , List-Unsubscribe: , Xref: news.gmane.org gmane.comp.lang.c++.isocpp.proposals:30274 Archived-At: --001a1145b1be3a4805054554e932 Content-Type: text/plain; charset=UTF-8 Please, no. This would dramatically harm the performance of tremendous amounts of existing code for no good reason. Compiler warnings exist to prevent use of uninitialised variables. I would seriously consider stopping using the language if something so flagrantly breaking and in violation of 'don't pay for what you don't use' was accepted into it. Thankfully, I'm sure it won't. -- 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/CACGiwhGnw%3D%3Dm4%3DO%3DTYb0Oj_w1MUWybnM8pD3-twjsP0S%3Dwnypg%40mail.gmail.com. --001a1145b1be3a4805054554e932 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Please, no. This would dramatically harm the performa= nce of tremendous amounts of existing code for no good reason. Compiler war= nings exist to prevent use of uninitialised variables.

I would= seriously consider stopping using the language if something so flagrantly = breaking and in violation of 'don't pay for what you don't use&= #39; was accepted into it. Thankfully, I'm sure it won't.

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