220 15455 article Path: news.gmane.org!not-for-mail From: Andrew Tomazos Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Adding a remove_cv_reference type trait Date: Sun, 4 Jan 2015 21:45:44 +0100 Lines: 99 Approved: news@gmane.org Message-ID: References: <5880acc5-8236-40a0-bd5d-dfa6d9284572@isocpp.org> <7c1ddf8b-051b-4fa8-9c00-8fe239890edc@isocpp.org> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/alternative; boundary=047d7b343bae5f3392050bd9a8bf X-Trace: ger.gmane.org 1420404355 10867 80.91.229.3 (4 Jan 2015 20:45:55 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 4 Jan 2015 20:45:55 +0000 (UTC) To: "std-proposals@isocpp.org" Original-X-From: std-proposals+bncBD5KHQXXWYPRB6GMU2SQKGQEDFM4W2I@isocpp.org Sun Jan 04 21:45:49 2015 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-we0-f200.google.com ([74.125.82.200]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Y7s3W-0005bu-S3 for gclcip-std-proposals@m.gmane.org; Sun, 04 Jan 2015 21:45:46 +0100 Original-Received: by mail-we0-f200.google.com with SMTP id u56sf3233364wes.7 for ; Sun, 04 Jan 2015 12:45:46 -0800 (PST) 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:list-post:list-help:list-archive:list-subscribe :list-unsubscribe; bh=YS7nkH/d4p6ALIObl8TNtozU/MDq4DKmm8200qn3l3I=; b=PneZxNtAydPLeVJXwYDJaF+g2aPGpq0ZXMCl1LEXgHdBUKg1JOYDdft11e9YGFmp0h gCbevnL7wmpKJDpN/UeGGs0znHch/vUce7oDknOSQgBbR88JOKyzfztHAajPs5OsBffl EZ2KaNimtNJh9YQWSqEheSkaP6JfzHMcxwPbvFNIr5lSRcY6IznnuyvhwxIgKRRNY2co +fm7A//q9jkNWjbmLA2kWB0d6t3GOpDkO63tYjahTVUjBp++oc364SrnZwqcmM+d+U1f n1niObO1uJjDfm6y4KyyebwvIN5tuPIAWElWTq44+Euh8Jsbour+oeFlS7F0aR8AFFdH T3kQ== X-Gm-Message-State: ALoCoQnzIDJuwVFlAoGC9ILHgei6dLDpAPn3o8OPN7Oxu4By3/rw1kPA8/BlKGJBwxvrCbHJc0fQ X-Received: by 10.112.89.36 with SMTP id bl4mr7349962lbb.1.1420404346235; Sun, 04 Jan 2015 12:45:46 -0800 (PST) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.152.87.205 with SMTP id ba13ls2264457lab.66.gmail; Sun, 04 Jan 2015 12:45:44 -0800 (PST) X-Received: by 10.152.29.193 with SMTP id m1mr88335320lah.84.1420404344314; Sun, 04 Jan 2015 12:45:44 -0800 (PST) Original-Received: from mail-lb0-x235.google.com (mail-lb0-x235.google.com. [2a00:1450:4010:c04::235]) by mx.google.com with ESMTPS id t10si47636187lat.56.2015.01.04.12.45.44 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Sun, 04 Jan 2015 12:45:44 -0800 (PST) Received-SPF: pass (google.com: domain of andrewtomazos@gmail.com designates 2a00:1450:4010:c04::235 as permitted sender) client-ip=2a00:1450:4010:c04::235; Original-Received: by mail-lb0-f181.google.com with SMTP id l4so16638643lbv.26 for ; Sun, 04 Jan 2015 12:45:44 -0800 (PST) X-Received: by 10.112.145.37 with SMTP id sr5mr90493827lbb.76.1420404344171; Sun, 04 Jan 2015 12:45:44 -0800 (PST) Original-Received: by 10.25.211.16 with HTTP; Sun, 4 Jan 2015 12:45:44 -0800 (PST) In-Reply-To: <7c1ddf8b-051b-4fa8-9c00-8fe239890edc@isocpp.org> X-Original-Sender: andrewtomazos@gmail.com X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of andrewtomazos@gmail.com designates 2a00:1450:4010:c04::235 as permitted sender) smtp.mail=andrewtomazos@gmail.com; dkim=pass header.i=@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:15455 Archived-At: --047d7b343bae5f3392050bd9a8bf Content-Type: text/plain; charset=UTF-8 What is your proposed `std::remove_cv_reference` trait useful for? You can already spell it `std::remove_cv_t>`, if you only need it occasionally. So demonstrate that it is so commonly needed to warrant adding it, by providing motivating use cases. On Sun, Jan 4, 2015 at 9:37 PM, wrote: > These type adjustments are not performed by remove_cv_reference as it > simply isn't intended to. If I give const int[3] as the argument to this > trait I want int[3] as the output, period. > > Am Sonntag, 4. Januar 2015 20:27:33 UTC schrieb Andrew Tomazos: >> >> std::decay does this, as well as array-to-pointer and function-to-pointer. >> > -- > > --- > 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/. --047d7b343bae5f3392050bd9a8bf Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
What is your proposed `std::remove_cv_reference` trait use= ful for?=C2=A0 You can already spell it `std::remove_cv_t<std::remove_re= ference_t<T>>`, if you only need it occasionally. So demonstrate t= hat it is so commonly needed to warrant adding it, by providing motivating = use cases.

O= n Sun, Jan 4, 2015 at 9:37 PM, <R.HL@gmx.net> wrote:
These type adjustments are not perf= ormed by remove_cv_reference a= s it simply isn't intended to. If I give=C2=A0const int[3] as the ar= gument to this trait =C2=A0I want=C2=A0int[3]=C2=A0as the output, period.

= Am Sonntag, 4. Januar 2015 20:27:33 UTC schrieb Andrew Tomazos:
std::decay does this, a= s well as array-to-pointer and function-to-pointer.

--

---
You received this message because you are subscribed to the Google Groups &= quot;ISO C++ Standard - Future Proposals" group.
To unsubscribe from this group and stop receiving emails from it, send an e= mail 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/gro= up/std-proposals/.

--

---
You received this message because you are subscribed to the Google Groups &= quot;ISO C++ Standard - Future Proposals" group.
To unsubscribe from this group and stop receiving emails from it, send an e= mail to std-proposa= ls+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/<= /a>.
--047d7b343bae5f3392050bd9a8bf-- .