220 41131 article Path: news.gmane.org!.POSTED!not-for-mail From: Hyman Rosen Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Function Parameter of Struct Type -> Named Parameters Date: Thu, 29 Nov 2018 10:50:15 -0500 Lines: 66 Approved: news@gmane.org Message-ID: References: Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="0000000000002e589b057bcfa465" X-Trace: blaine.gmane.org 1543506502 14419 195.159.176.226 (29 Nov 2018 15:48:22 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Thu, 29 Nov 2018 15:48:22 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBDKJJPVBQMKRBQ4VQDQAKGQEQBDW2XI@isocpp.org Thu Nov 29 16:48:18 2018 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-wr1-f72.google.com ([209.85.221.72]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gSOY5-0003dV-ON for gclcip-std-proposals@m.gmane.org; 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[209.85.220.41]) by mx.google.com with SMTPS id t141sor1861154wme.23.2018.11.29.07.50.27 for (Google Transport Security); Thu, 29 Nov 2018 07:50:27 -0800 (PST) Received-SPF: pass (google.com: domain of hyman.rosen@gmail.com designates 209.85.220.41 as permitted sender) client-ip=209.85.220.41; X-Received: by 2002:a7b:c44d:: with SMTP id l13mr2276703wmi.144.1543506626499; Thu, 29 Nov 2018 07:50:26 -0800 (PST) In-Reply-To: X-Original-Sender: hyman.rosen@gmail.com X-Original-Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=goVh2FAJ; spf=pass (google.com: domain of hyman.rosen@gmail.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=hyman.rosen@gmail.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.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: , Xref: news.gmane.org gmane.comp.lang.c++.isocpp.proposals:41131 Archived-At: --0000000000002e589b057bcfa465 Content-Type: text/plain; charset="UTF-8" On Wed, Nov 28, 2018 at 11:58 PM Andrew Tomazos wrote: > It seems to me that a function that takes a struct combined with C++20 > designated initializers gets us very close to named parameters > This also seems easy to implement. > Thoughts? Worth pursuing? > I think named argument association should be sui generis, not implemented by weird class equivalents. Doing the latter hearkens back to the days of OO, where everything was defined in terms of virtual functions. We should define the behavior we want, not try for an equivalence that may or may not have dark corners that don't quite match. -- 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. To view this discussion on the web visit https://groups.google.com/a/isocpp.org/d/msgid/std-proposals/CAHSYqdZOye%3DG4N4aVcQj7P2GoJVgEbXcrDCtCSW5uCxDnq4%2BZQ%40mail.gmail.com. --0000000000002e589b057bcfa465 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
On Wed, Nov 28= , 2018 at 11:58 PM Andrew Tomazos <andrewtomazos@gmail.com> wrote:
It seems to me that a function that takes a stru= ct combined with C++20
designated initializers gets us very close to named parameter= s
This also seems easy to implement.
Thoughts?=C2=A0 Worth pu= rsuing?

I think named argument = association should be sui generis, not implemented
by weird class equiva= lents.=C2=A0 Doing the latter hearkens back to the days of OO,
where eve= rything was defined in terms of virtual functions.=C2=A0 We should definethe behavior we want, not try for an equivalence that may or may not have= dark
corners that don't quite match.

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