220 10929 <68f98b78-8bd4-48e0-9e1d-47cfc0492764@isocpp.org> article Path: news.gmane.org!not-for-mail From: Diggory Blake Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Protect Lambda functions against reflection Date: Wed, 28 May 2014 13:38:38 -0700 (PDT) Lines: 57 Approved: news@gmane.org Message-ID: <68f98b78-8bd4-48e0-9e1d-47cfc0492764@isocpp.org> References: <108c47a2-d952-4f84-a347-923b2ab742ad@isocpp.org> <7ef3d3da-0c1d-443c-88d2-656b91937170@isocpp.org> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_9_9594182.1401309519231" X-Trace: ger.gmane.org 1401309531 30529 80.91.229.3 (28 May 2014 20:38:51 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 28 May 2014 20:38:51 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBC2MLAWQ6ANBBUESTGOAKGQERMEJ2CY@isocpp.org Wed May 28 22:38:42 2014 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-vc0-f200.google.com ([209.85.220.200]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1WpkcT-0002uM-IC for gclcip-std-proposals@m.gmane.org; Wed, 28 May 2014 22:38:41 +0200 Original-Received: by mail-vc0-f200.google.com with SMTP id lc6sf42865411vcb.7 for ; Wed, 28 May 2014 13:38:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20120113; 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 :content-type; bh=1aTsw+iZW8GHxvv1mWqioJ8e58p2wmf5obUH1l92Ctk=; b=XrA+nqrbBI/d6qjVSkWcHJZ9XC/UKo/07z5mWLZuQobzpw7rz/dYl9Ho6065iTv/Qm 0qWR2XHyOi2BFsyCXcqyimkGmEFzXV50Or4FJFEZGZGLUfQKBKtappjqoU0z11U/uCu5 ctkZXmTK028gKN6nNal3W6W8h7TdzJua2UPatgc+uNpEDMXsz7UmR1qWNDg+mbje6CN+ d0YXY1lAZuirl6OuYdIPfQZSGig2504t3DQ3snazy7PnHfH6bMzO1g+WcBXJy/JDtsxK lFblQcbuLlOlnImZDv1L8C3D+GK+GRe+7QfybAuURoYxZ5nDwlNURohtQbi54AKPFHeW 31PQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; 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:list-post:list-help:list-archive :list-subscribe:list-unsubscribe:content-type; bh=1aTsw+iZW8GHxvv1mWqioJ8e58p2wmf5obUH1l92Ctk=; b=DCH+lc+dSTQ4iwRQzrcD2EjXUjxUfuyZ63kY1pyBhAbd3OVL4ZfJaqRqrAxgM/lvrT NyJrXy83BeKPm3GDZ15dbmtaDnwrONwIOABvxAyARax5AHWPkxh+6nK1DmL71MoORjoX +kY58711f9uVoTJebHz8QSFJKKGGCMYjztkzehCXCdmf8Fh/fYbxNx4dbXqL7PvjQZNG /fJerdoGYs5j1c4ZCwbwfob0Ft1axy9SNB9oYu/nRQNkWpUlLWmGTr1ST9/3UmSgADlB 6PwgjJQIuOa63Sa1IzVfxsyhyITjdXIFqP0sBANxbZRoGBJIUPPi1PhTqCVIOLBKg8IC Trlw== X-Gm-Message-State: ALoCoQnAeLFN0C1uWW4eLZM1i0U5uiZ8IzSKAeMafX9gZTJ5aQRDKP2jJcDUWP8Et20Cd4pAI2yT X-Received: by 10.224.104.2 with SMTP id m2mr895934qao.7.1401309520744; Wed, 28 May 2014 13:38:40 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.140.50.16 with SMTP id r16ls294060qga.71.gmail; Wed, 28 May 2014 13:38:40 -0700 (PDT) X-Received: by 10.140.97.166 with SMTP id m35mr50081qge.28.1401309520227; Wed, 28 May 2014 13:38:40 -0700 (PDT) In-Reply-To: <7ef3d3da-0c1d-443c-88d2-656b91937170@isocpp.org> X-Original-Sender: diggsey@googlemail.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:10929 Archived-At: ------=_Part_9_9594182.1401309519231 Content-Type: text/plain; charset=UTF-8 Also, access modifiers are not there for security reasons - it's trivial to bypass them if one really wanted to - they're there to prevent accidental misuse, or in other words, human error, although they also serve as a useful form of documentation. Since reflection is a tool used by the program, not the programmer, there's no reason for access control to exist with respect to reflection. When using reflection it should be possible to ignore private members if that's what is desired, but allowing the author of a class to prevent reflection serves no purpose other than to irritate. In .net or java where different parts of the same program can have different access rights which are strictly enforced by the runtime, it might make sense, in C++ it doesn'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. Visit this group at http://groups.google.com/a/isocpp.org/group/std-proposals/. ------=_Part_9_9594182.1401309519231 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Also, access modifiers are not there for security reasons = - it's trivial to bypass them if one really wanted to - they're there to pr= event accidental misuse, or in other words, human error, although they also= serve as a useful form of documentation. Since reflection is a tool used b= y the program, not the programmer, there's no reason for access control to = exist with respect to reflection. When using reflection it should be possib= le to ignore private members if that's what is desired, but allowing the au= thor of a class to prevent reflection serves no purpose other than to irrit= ate. In .net or java where different parts of the same program can have dif= ferent access rights which are strictly enforced by the runtime, it might m= ake sense, in C++ it doesn't.

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