220 19877 article Path: news.gmane.org!not-for-mail From: "'Johannes Schaub' via ISO C++ Standard - Future Proposals" Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: default arguments Date: Tue, 18 Aug 2015 11:34:37 +0200 Lines: 90 Approved: news@gmane.org Message-ID: References: Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/alternative; boundary=047d7b10ca837cfd79051d92a0ce X-Trace: ger.gmane.org 1439890487 2453 80.91.229.3 (18 Aug 2015 09:34:47 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 18 Aug 2015 09:34:47 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBCQPNCEZSQNBBLXYZOXAKGQEYTOKZUI@isocpp.org Tue Aug 18 11:34:41 2015 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-pa0-f70.google.com ([209.85.220.70]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1ZRdI0-0007uJ-GH for gclcip-std-proposals@m.gmane.org; Tue, 18 Aug 2015 11:34:40 +0200 Original-Received: by pabyb7 with SMTP id yb7sf367376459pab.2 for ; Tue, 18 Aug 2015 02:34:39 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:content-type: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=V97HemLdnkzGNDAae4Q/8ssyjfbqm26UHuqe9rLXPo0=; b=CHrDveR/p4rDsJz0j/G0Y1TJQ23UjxPE+zz2GrAm06KHmuUIR3gdt6IaU8mly5HQV4 YyfHJ/BL6AL/WCTndOiSb3TRQ2cO/FM27yUmgC/c0r6fS4Vl+jFvrRx7B7Ynze91B9Dx ozG3e9el4GnhhiD87u6KiFQDCbu/vlw4TtqEl4qxvVdQ2JrGAZnrXEwWGfgc7sXvQk8C x+Yh3YrYt4om1Wwx0t0i4x/2G276yilX5Zprnlxjo/t6L7Onx40hCq0TadjQfVqx+qLe qbmcl1LCQVGd/6YduG/cWBTx+fI0fekrH8pHe9zxtmFnBbzwxItgdqVZNBijuxdUHPUe FPig== X-Gm-Message-State: ALoCoQnAf4KLYaEFFM68m7z9DKrrUFBxWDrF5kKquI4UhuBJ77bIyGhAuO38FyU8iIdxnpnxrJE1 X-Received: by 10.68.168.1 with SMTP id zs1mr5045764pbb.6.1439890479473; Tue, 18 Aug 2015 02:34:39 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.50.62.106 with SMTP id x10ls327199igr.23.gmail; Tue, 18 Aug 2015 02:34:38 -0700 (PDT) X-Received: by 10.50.147.35 with SMTP id th3mr21543138igb.83.1439890478701; Tue, 18 Aug 2015 02:34:38 -0700 (PDT) Original-Received: from mail-ig0-x232.google.com (mail-ig0-x232.google.com. [2607:f8b0:4001:c05::232]) by mx.google.com with ESMTPS id 23si9294639ioj.119.2015.08.18.02.34.38 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 18 Aug 2015 02:34:38 -0700 (PDT) Received-SPF: pass (google.com: domain of schaub.johannes@googlemail.com designates 2607:f8b0:4001:c05::232 as permitted sender) client-ip=2607:f8b0:4001:c05::232; Original-Received: by igui7 with SMTP id i7so77974688igu.1 for ; Tue, 18 Aug 2015 02:34:38 -0700 (PDT) X-Received: by 10.50.128.169 with SMTP id np9mr21926919igb.37.1439890478527; Tue, 18 Aug 2015 02:34:38 -0700 (PDT) Original-Received: by 10.79.81.199 with HTTP; Tue, 18 Aug 2015 02:34:37 -0700 (PDT) Original-Received: by 10.79.81.199 with HTTP; Tue, 18 Aug 2015 02:34:37 -0700 (PDT) In-Reply-To: X-Original-Sender: schaub.johannes@googlemail.com X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of schaub.johannes@googlemail.com designates 2607:f8b0:4001:c05::232 as permitted sender) smtp.mailfrom=schaub.johannes@googlemail.com; dkim=pass header.i=@googlemail.com; dmarc=pass (p=QUARANTINE dis=NONE) header.from=googlemail.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: , X-Original-From: Johannes Schaub Xref: news.gmane.org gmane.comp.lang.c++.isocpp.proposals:19877 Archived-At: --047d7b10ca837cfd79051d92a0ce Content-Type: text/plain; charset=UTF-8 Am 15.08.2015 18:49 schrieb "Arthur Tchaikovsky" : > > Hi, > Does anyone see helpfulness of such solution: > Having fnc: > > void f(int a = 0, int b = 1, int c = 2, int d = 3); > > I think that it would be nice to be able to say whilst calling it and requiring only some of those args to be non-default: > > f(default,2,default,4); > > Thoughts? And if you support the default indicator here, please allow it in aggregate initialization aswell to mean either value initialize or take the inclass initializer. > > > > > > -- > > --- > 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/. -- --- 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/. --047d7b10ca837cfd79051d92a0ce Content-Type: text/html; charset=UTF-8


Am 15.08.2015 18:49 schrieb "Arthur Tchaikovsky" <atch.cpp@gmail.com>:
>
> Hi,
> Does anyone see helpfulness of such solution:
> Having fnc:
>
> void f(int a = 0, int b = 1, int c = 2, int d = 3);
>
> I think that it would be nice to be able to say whilst calling it and requiring only some of those args to be non-default:
>
> f(default,2,default,4);
>
> Thoughts?

And if you support the default indicator here, please allow it in aggregate initialization aswell to mean either value initialize or take the inclass initializer.

>
>
>
>
>
> --
>
> ---
> 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/.

--

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