220 38000 article Path: news.gmane.org!.POSTED!not-for-mail From: Tony V E Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: variant again Date: Wed, 25 Apr 2018 13:51:29 -0400 Lines: 81 Approved: news@gmane.org Message-ID: Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="000000000000b68473056aafeb25" X-Trace: blaine.gmane.org 1524678566 26993 195.159.176.226 (25 Apr 2018 17:49:26 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 25 Apr 2018 17:49:26 +0000 (UTC) To: Standard Proposals Original-X-From: std-proposals+bncBCUZ5QWKNQIKFAED24CRUBD7OLUYI@isocpp.org Wed Apr 25 19:49:22 2018 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-ot0-f199.google.com ([74.125.82.199]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fBOXg-0006uJ-UU for gclcip-std-proposals@m.gmane.org; Wed, 25 Apr 2018 19:49:21 +0200 Original-Received: by mail-ot0-f199.google.com with SMTP id f103-v6sf15623949otf.14 for ; 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[209.85.220.41]) by mx.google.com with SMTPS id r18-v6sor6015419ota.289.2018.04.25.10.51.30 for (Google Transport Security); Wed, 25 Apr 2018 10:51:30 -0700 (PDT) Received-SPF: pass (google.com: domain of tvaneerd@gmail.com designates 209.85.220.41 as permitted sender) client-ip=209.85.220.41; X-Received: by 2002:a9d:3db6:: with SMTP id l51-v6mr18910372otc.265.1524678689979; Wed, 25 Apr 2018 10:51:29 -0700 (PDT) Original-Received: by 2002:a9d:1a73:0:0:0:0:0 with HTTP; Wed, 25 Apr 2018 10:51:29 -0700 (PDT) X-Original-Sender: tvaneerd@gmail.com X-Original-Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=aojgvSSF; spf=pass (google.com: domain of tvaneerd@gmail.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=tvaneerd@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:38000 Archived-At: --000000000000b68473056aafeb25 Content-Type: text/plain; charset="UTF-8" On Wed, Apr 25, 2018 at 10:40 AM, 'Matt Calabrese' via ISO C++ Standard - Future Proposals wrote: > On Tue, Apr 24, 2018 at 1:32 PM Tony V E wrote: > >> Also, it will only get into that state because some move-operation threw. >> > > *cough* > > libc++: https://wandbox.org/permlink/0ag3V2oVa3MBcWmz > libstdc++: https://wandbox.org/permlink/LEUsrj9ir5vyVcST > > > Why doesn't variant revert back to the int when the copy throws? We don't want to pay for the moves? -- Be seeing you, Tony -- 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/CAOHCbitzWkx%3D5N%3D-VOgfTL99UfismV2k2_P%2BKDHPf6zgdWarNw%40mail.gmail.com. --000000000000b68473056aafeb25 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable


On Wed, Apr 25, 2018 at 10:40 AM, 'Matt Calabrese' via ISO C++ = Standard - Future Proposals <std-proposals@isocpp.org> wrote:
On Tue, Apr 24, 2018 at 1:32 = PM Tony V E <tva= neerd@gmail.com> wrote:
Also, it will on= ly get into that state because some move-operation threw.

*cough*=C2=A0

<= /div>




Why doesn't variant revert back to the int when the co= py throws?=C2=A0 We don't want to pay for the moves?

--
Be seeing you,
Tony
=

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