220 8732 <3fc9f495-0bb2-4432-bb79-385fe222feab@isocpp.org> article Path: news.gmane.org!not-for-mail From: Vittorio Romeo Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: "Raw" preprocessor macro arguments Date: Mon, 20 Jan 2014 00:53:04 -0800 (PST) Lines: 46 Approved: news@gmane.org Message-ID: <3fc9f495-0bb2-4432-bb79-385fe222feab@isocpp.org> References: Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_1796_16970866.1390207984103" X-Trace: ger.gmane.org 1390207978 20282 80.91.229.3 (20 Jan 2014 08:52:58 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 20 Jan 2014 08:52:58 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBCO3NDEYZQHRB4GH6OLAKGQEA7IPEPA@isocpp.org Mon Jan 20 09:53:07 2014 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-pa0-f69.google.com ([209.85.220.69]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1W5AbS-00030E-Il for gclcip-std-proposals@m.gmane.org; Mon, 20 Jan 2014 09:53:06 +0100 Original-Received: by mail-pa0-f69.google.com with SMTP id fa1sf11975711pad.0 for ; Mon, 20 Jan 2014 00:53:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.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=QmMgB80njWWsVyfI3TO8HtolRxTqNXTmCMA/RsOht4g=; b=eZqufuuTx+8Lrza7TMniObLBmt7BRCcCRlF/vjQROtTGlQMq7IFb8ecn1yLOF5AvtM f5HzdGtNU1ertiDXp/cQG7ZrYfqefT+XE18/UESM/pL+p/cn61QeYLpalFfyjEYrsD5o fhGi39sh03HIAiVkxOCTt2JxeXQ4L1TmRek3ntPmIK4cBXB5v5wVKUsP76slEjITHIaD pnm5sZdm4m0Qo7+ts+nUZKiN7mFwWmg5TCwUoT5pcqn66nH+CRA0tQiyTaaFawnxOf9R abNVvTydrtqAPi4RcaRPay6CwT1NYHgvOrGZoSiycPmgLJ6CcwsqspD5TqcfV1sv3n/f irGA== 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=QmMgB80njWWsVyfI3TO8HtolRxTqNXTmCMA/RsOht4g=; b=PnliTRuAIVqKRAbtI9BCZLuNPHGgjbXMrrCMnIlkhW1GUePz2991s22Mj+lPhjSfFY NPkrDIXg0zCVYLY8rLrstRSyobpebcATmEgWZ5ESIg9U+32JMtatPTw6MAi0EywIxvrw vKTTvFOnD7ItzGc9LvZbIhWLyIwK3uD0vsH9kkWgAdSjDJsUuOkpAzLgxEkTatC4AGxM OgqsZLuy33UUhXe+2xKTHhwFLxwvfjSHqImrcEb1SkCISGGcwAAVLTSuHemmwrd16bqm rWqbBJ5ZeBDs+rIu3FfXUtw6RAnu6jL7za+tr/u1oz7n5BaO6ap1osAuqL32R74qjtiR JHXQ== X-Gm-Message-State: ALoCoQk4EqCFl1LsuCEfFC79dxImRSeEO5ebbWVZqi6n9brliBUFbESTioInkdk6inGZd9xgM87y X-Received: by 10.67.1.100 with SMTP id bf4mr5892284pad.8.1390207985296; Mon, 20 Jan 2014 00:53:05 -0800 (PST) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.140.93.71 with SMTP id c65ls209844qge.4.gmail; Mon, 20 Jan 2014 00:53:04 -0800 (PST) X-Received: by 10.140.27.233 with SMTP id 96mr5559qgx.32.1390207984741; Mon, 20 Jan 2014 00:53:04 -0800 (PST) In-Reply-To: X-Original-Sender: vittorio.romeo.vee@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:8732 Archived-At: ------=_Part_1796_16970866.1390207984103 Content-Type: text/plain; charset=UTF-8 http://ideone.com/B5hVDS This example shows un-intuitive behavior. The "raw argument" is actually passed as multiple arguments, and does not expand correctly. I would expect the program to print "1, 2, 3" or "1,2,3" - instead, it fails to compile. -- --- 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_1796_16970866.1390207984103 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
http://ideone.com/B5hVDS

This example shows un-intu= itive behavior.
The "raw argument" is actually passed as multiple argum= ents, and does not expand correctly.

I would expec= t the program to print "1, 2, 3" or "1,2,3" - instead, it fails to compile.=

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