220 28533 article Path: news.gmane.org!.POSTED!not-for-mail From: Greg Marr Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: A plea to reconsider adding Structured Bindings to language Date: Wed, 5 Oct 2016 07:23:19 -0700 (PDT) Lines: 84 Approved: news@gmane.org Message-ID: References: <201610051238.17863.marc.mutz@kdab.com> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_4592_2093020881.1475677399661" X-Trace: blaine.gmane.org 1475677420 8357 195.159.176.226 (5 Oct 2016 14:23:40 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 5 Oct 2016 14:23:40 +0000 (UTC) To: ISO C++ Standard - Future Proposals Original-X-From: std-proposals+bncBDEZH3XFPIINRGOUX4CRUBEQ6C5PC@isocpp.org Wed Oct 05 16:23:36 2016 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-vk0-f69.google.com ([209.85.213.69]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1brn6R-0008SK-5P for gclcip-std-proposals@m.gmane.org; Wed, 05 Oct 2016 16:23:23 +0200 Original-Received: by mail-vk0-f69.google.com with SMTP id 2sf146364985vkb.2 for ; Wed, 05 Oct 2016 07:23:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=isocpp-org.20150623.gappssmtp.com; s=20150623; h=date:from:to:message-id:in-reply-to:references:subject:mime-version :x-original-sender:reply-to:precedence:mailing-list:list-id :x-spam-checked-in-group:list-post:list-help:list-archive :list-subscribe:list-unsubscribe; bh=xFBetOnIycqknRXcyYcqjDXwZG5URBXnRW1pULCKp3w=; b=ouuHA99HqGgvef0NEr9LW2kwYpyhsHAJnw9TtmSQffJ7hFlPKAm/GfFFhs8Em6J0pf AJX4kwfQ56kAoGgbDv8XqMaTC7Rx+h6mR5CfhK0XeOCKgy0tJbndpijkqdfK3YN8cJkd /E7+3EBv/GTyOAu7KIc9dy6RQgwW1Iplux6LXavbl9sBGO0eXBGOd9NmnOF/5+apDseh 7MvcAPRskFJc6V0i7/Cx7QXB0a1thhsseOvyu+xZyDkDJ25Vblx7mDKrQUW84s47ayk9 OcYILkXYJqnc6yEjNHEBG+5s7JLuUPkkHFdXWXcPxfvUgeNTSJTWW9XwJvfxqCLoIRTq Dw2g== 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 :x-spam-checked-in-group:list-post:list-help:list-archive :list-subscribe:list-unsubscribe; bh=xFBetOnIycqknRXcyYcqjDXwZG5URBXnRW1pULCKp3w=; b=IYYXTvKVZcj8tgy7hV40+aa+9aDIZYUX/34TK6hDkcWs5uhlYkK1pm0Ip34YEUxvMO 5S3T7wu8FZI94AqXLuiMa5oPS1FISSECVk4WtBCz3F0WucpPJisdUyKdrPFr7hcL79E9 ReXRR70PjFY5FKHvcPqFWPtStFUU65wP1yk7jWRmENHRmDQfcVFQ6s+BICRunCr06+/L 4XVmLATLFxkOUtlS8HGrpT+vuXf/HqDEV1DV6Tz+0HcxM4OZwOL4aS9s4kjsnGX3lQkD g/3uHz/0JE2CjJ4n3q0B+mk5hCT/M/LrTGmUrVIjPXOT2XvuzltGAqyoGEfm3HY4FqpN naJw== 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:x-spam-checked-in-group:list-post:list-help :list-archive:list-subscribe:list-unsubscribe; bh=xFBetOnIycqknRXcyYcqjDXwZG5URBXnRW1pULCKp3w=; b=T2ERLh9vKwq+Q0Gb58n417cYONO9saXd3gEQty2JGBpdfFVkqDhJ5Qsg6dC+qVa6a1 N3xv5bl0scvKtSVGWc+HovrB3N4tPPtVoxDArmJZiSvHg3JelwDQpYXoSpzJLNNUyFy0 CqN8Tn8xZiCRlXKrcaCrB/OIPfGblF2TdRCpY3JPoKTYydBm8Hy8AZi8+qZ7I+lJc22X 13zwutLUP+xoq3hQpwcykOow55bR89L0U2Kh6UVrCEYeogUlKkKhOJV5gJa4P3fY8GDn IpxQupUgmxjts8vdi0o5AYePFP3bLP/Ruv2DmwGOgXyUC10Z89QcQcF+IjX2P0kB4i84 W7Lw== X-Gm-Message-State: AA6/9RkDMjH9zZCCDOPyVmcK0/cKmC/7Rjt4BWGYxTyviG3gdHczz34bu1xQYhxlhFiXEQ== X-Received: by 10.157.19.117 with SMTP id q50mr2427624otq.54.1475677404929; Wed, 05 Oct 2016 07:23:24 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.36.60.196 with SMTP id m187ls383321ita.1.gmail; Wed, 05 Oct 2016 07:23:20 -0700 (PDT) X-Received: by 10.36.216.9 with SMTP id b9mr783895itg.1.1475677400379; Wed, 05 Oct 2016 07:23:20 -0700 (PDT) In-Reply-To: X-Original-Sender: gregmmarr@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:28533 Archived-At: ------=_Part_4592_2093020881.1475677399661 Content-Type: multipart/alternative; boundary="----=_Part_4593_1195114652.1475677399661" ------=_Part_4593_1195114652.1475677399661 Content-Type: text/plain; charset=UTF-8 On Wednesday, October 5, 2016 at 10:14:05 AM UTC-4, Herb Sutter wrote: > > But SB works fine with this, because it allows the caller to write both > this: > > auto info = page.contains_info(ptr); > if (info.found == /*...*/) { > use(info.location, info.start_location); > } > > and this: > > auto [found, offset, start] info = page.contains_info(ptr); > if (found == /*...*/) { > use(offset, start); > } > Is the "info" in the first line of the second example a typo? It doesn't seem like it belongs there. -- 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/e6745f0f-3004-4348-ad1f-e3be259cd19a%40isocpp.org. ------=_Part_4593_1195114652.1475677399661 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
On Wednesday, October 5, 2016 at 10:14:05 AM UTC-4, Herb S= utter wrote:
But SB works fine = with this, because it allows the caller to write both this:

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0auto info =3D page.cont= ains_info(ptr);
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0if (info.found =3D=3D /= *...*/) {
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0use(info.location, info.start_location);
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0}

and this:

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0auto [found, offset, st= art] info =3D page.contains_info(ptr);
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0if (found =3D=3D /*...*= /) {
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0use(offset, start);
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0}

Is the "info" in the first l= ine of the second example a typo? =C2=A0It doesn't seem like it belongs= there.

--
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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.
To view this discussion on the web visit https://groups.google.= com/a/isocpp.org/d/msgid/std-proposals/e6745f0f-3004-4348-ad1f-e3be259cd19a= %40isocpp.org.
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