220 18844 article Path: news.gmane.org!not-for-mail From: Patrice Roy Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: std::vector - adding support for non-moveable, non-default constructible types with lambdas Date: Sat, 27 Jun 2015 19:06:43 -0400 Lines: 109 Approved: news@gmane.org Message-ID: References: <06317928-6af2-4133-a38e-8d6c829f311b@isocpp.org> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/alternative; boundary=001a11c27cf0f9a5d3051987e814 X-Trace: ger.gmane.org 1435446425 29608 80.91.229.3 (27 Jun 2015 23:07:05 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 27 Jun 2015 23:07:05 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBDSZXMHWZIKBBBGZXSWAKGQEYKTMTGI@isocpp.org Sun Jun 28 01:06:49 2015 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-wi0-f199.google.com ([209.85.212.199]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Z8zBQ-0001mj-8U for gclcip-std-proposals@m.gmane.org; Sun, 28 Jun 2015 01:06:48 +0200 Original-Received: by widjy10 with SMTP id jy10sf13210083wid.3 for ; Sat, 27 Jun 2015 16:06:47 -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=CdlRfLacfKvtUXvLhL3NlpuBWt6MwAuFAufZ6/IBCQI=; b=Q4/n2zfB7joIKTcswg2nIfxoBhZU2YsJuHGITEZx2vjKlsZcMSZAnhSFr7JHf+GKXV lMxY7Hd05BLGW2yO7y1vk71pl+QJsg0d8U63JM6vvNowmH+on3B3cRudeFMKxP6DwjNd kB5eghxPjRjdcGk7ioJc14GJxPMGWWHh3cgY5vshpu+fx1IRwaXLnSAM7Fi1PJewBAvO 2cws5zRRJiDMeZvF0oplZwwTTKWYZZDPjz9gaH2F9Ip9iQY+BO/QtF1JHm7mByKfvZiv HuVn0BI2ftyp8yURaNY5ivu2La3Y9hV6ctLye2NHjgK3a4r/d1HiLSANbRKiAQyJ02Om zV6A== X-Gm-Message-State: ALoCoQk15PDbLKONMjtYIudqiEnnbOvYdkeTi03A3aq0bt1113UuXmEYxjgGubCFvyqubjEeS0wc X-Received: by 10.112.28.111 with SMTP id a15mr5896893lbh.21.1435446407542; Sat, 27 Jun 2015 16:06:47 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.152.170.197 with SMTP id ao5ls717796lac.53.gmail; Sat, 27 Jun 2015 16:06:43 -0700 (PDT) X-Received: by 10.112.167.202 with SMTP id zq10mr7472455lbb.118.1435446403883; Sat, 27 Jun 2015 16:06:43 -0700 (PDT) Original-Received: from mail-la0-x230.google.com (mail-la0-x230.google.com. [2a00:1450:4010:c03::230]) by mx.google.com with ESMTPS id cz4si31068571lac.110.2015.06.27.16.06.43 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 27 Jun 2015 16:06:43 -0700 (PDT) Received-SPF: pass (google.com: domain of patricer@gmail.com designates 2a00:1450:4010:c03::230 as permitted sender) client-ip=2a00:1450:4010:c03::230; Original-Received: by lagh6 with SMTP id h6so18257716lag.2 for ; Sat, 27 Jun 2015 16:06:43 -0700 (PDT) X-Received: by 10.152.7.65 with SMTP id h1mr7636717laa.33.1435446403505; Sat, 27 Jun 2015 16:06:43 -0700 (PDT) Original-Received: by 10.152.1.136 with HTTP; Sat, 27 Jun 2015 16:06:43 -0700 (PDT) In-Reply-To: X-Original-Sender: patricer@gmail.com X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of patricer@gmail.com designates 2a00:1450:4010:c03::230 as permitted sender) smtp.mail=patricer@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-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:18844 Archived-At: --001a11c27cf0f9a5d3051987e814 Content-Type: text/plain; charset=UTF-8 It seems to me to fill a gap in terms of functionality; I can't count the number of times I've written code that went around the fact that this constructor form was not available. I have to think more about the format, but the essence that you're trying to get to seems like something we need to me. Cheers! 2015-06-27 18:56 GMT-04:00 Matthew Fioravante : > I've started a paper here: > > https://github.com/fmatthew5876/stdcxx-lambda-init/blob/master/proposal/draft.md > > I still have to work out the details, but the basic idea is there. > > Does anyone believe such a feature would be a complete non-starter? What > objections would you have to such a feature? I'd like to gauge at least > some level of possibility or interest before spending too much time > polishing a proposal. Any suggestions to the paper would be very welcome > too. > > Ville, thanks for the links. I'll include a section about that paper as a > "previous work" later. > > -- > > --- > 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/. --001a11c27cf0f9a5d3051987e814 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
It seems to me to fill a gap in terms of functionalit= y; I can't count the number of times I've written code that went ar= ound the fact that this constructor form was not available. I have to think= more about the format, but the essence that you're trying to get to se= ems like something we need to me.

Cheers!

2015-06-27 18:56 GMT-04:00 = Matthew Fioravante <fmatthew5876@gmail.com>:

I s= till have to work out the details, but the basic idea is there.
<= br>
Does anyone believe such a feature would be a complete non-st= arter? What objections would you have to such a feature? I'd like to ga= uge at least some level of possibility or interest before spending too much= time polishing a proposal. Any suggestions to the paper would be very welc= ome too.

Ville, thanks for the links. I'll inc= lude a section about that paper as a "previous work" later.
=

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