220 17443 article Path: news.gmane.org!not-for-mail From: Columbo Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: In-class definition of pure virtual functions Date: Wed, 22 Apr 2015 02:55:31 -0700 (PDT) Lines: 68 Approved: news@gmane.org Message-ID: Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_5721_130950543.1429696531963" X-Trace: ger.gmane.org 1429696537 12415 80.91.229.3 (22 Apr 2015 09:55:37 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 22 Apr 2015 09:55:37 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBDRN5RPSR4MRBFHA3WUQKGQEWWF3HNI@isocpp.org Wed Apr 22 11:55:36 2015 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-yh0-f70.google.com ([209.85.213.70]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1YkrNW-0007nB-A1 for gclcip-std-proposals@m.gmane.org; Wed, 22 Apr 2015 11:55:34 +0200 Original-Received: by yhdz67 with SMTP id z67sf129262850yhd.0 for ; Wed, 22 Apr 2015 02:55:33 -0700 (PDT) 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:subject:mime-version :content-type:x-original-sender:reply-to:precedence:mailing-list :list-id:list-post:list-help:list-archive:list-subscribe :list-unsubscribe; bh=olMVCOBoOqDLbFOGoIpYVUy+gKMgP3UBGjChbz3mtn4=; b=F7g+4AIewqZcDcyCTu8P83xmY3HQ1PmU2BYI8o2zNZNg7uT8ydf8JagjkUVla/Fww9 SY8ykTXhiAikuUiela1rMlgKjz/DG4o/IRpkXY84URjUcN/cYY1zUhlWTU9DEthwJ395 vogJWa/JDSKZfV2DE75gRjkEnURmfxIExrTvDoWidy1cvHsUtDWtvP0R1O6p3lNY8H/J /eOwDVg09I4QN1OYaLRTR/PWgQRIOUGZDrbxbZdZE+Ajnnm8yeCGNybMuiI+ArZEiV5i QoJ2uhXP55baDtIMelDOawEH/AbtWWkE3WmdiSLW8GTp9zVr57J1bIjMgth4lVle8u/U 4XiQ== X-Gm-Message-State: ALoCoQmRJOk+KiktezVLAeZBZZU8Uty7IBW5dxEQvHkBVxmuZBJidDS2jghSgKLPBaRCDtUKyXxL X-Received: by 10.236.228.233 with SMTP id f99mr35906191yhq.52.1429696533160; Wed, 22 Apr 2015 02:55:33 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.140.28.183 with SMTP id 52ls72015qgz.3.gmail; Wed, 22 Apr 2015 02:55:32 -0700 (PDT) X-Received: by 10.140.95.109 with SMTP id h100mr287585qge.6.1429696532535; Wed, 22 Apr 2015 02:55:32 -0700 (PDT) X-Original-Sender: R.HL@gmx.net 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:17443 Archived-At: ------=_Part_5721_130950543.1429696531963 Content-Type: multipart/alternative; boundary="----=_Part_5722_1862521673.1429696531963" ------=_Part_5722_1862521673.1429696531963 Content-Type: text/plain; charset=UTF-8 Good morning. Is there any technical reason why virtual void foo() = 0 {}; is not allowed? The grammar can be adjusted, and parsers seem to deal fine with it: VC++ even allows this as an extension. I'd propose to adjust* function-definition* to include *pure-specifier*s. Would such a proposal be successful? -- --- 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_5722_1862521673.1429696531963 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Good morning. Is there any technical reason why

virtual= void foo() =3D 0 {};

is not allowed? The grammar can be adjusted, and parsers seem = to deal fine with it: VC++ even allows this as an extension.

I'd pro= pose to adjust function-definition to include pure-specifiers= .. Would such a proposal be successful?

--

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