220 31361 <26EDCD88-C4FB-47F3-BF21-38D980966CA8@gmail.com> article Path: news.gmane.org!.POSTED!not-for-mail From: Bryce Glover Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: P0534: call/cc, type safety and exceptions Date: Thu, 2 Mar 2017 17:21:09 -0500 Lines: 99 Approved: news@gmane.org Message-ID: <26EDCD88-C4FB-47F3-BF21-38D980966CA8@gmail.com> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3124\)) Content-Type: multipart/alternative; boundary="Apple-Mail=_E8270D97-9EF4-4594-9397-D27C3C93C4E5" X-Trace: blaine.gmane.org 1488493277 25820 195.159.176.226 (2 Mar 2017 22:21:17 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Thu, 2 Mar 2017 22:21:17 +0000 (UTC) Cc: std-proposals@isocpp.org To: Bengt Gustafsson Original-X-From: std-proposals+bncBCPMBF5ZZEBBBWVV4LCQKGQEEU2KGZA@isocpp.org Thu Mar 02 23:21:10 2017 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-yw0-f200.google.com ([209.85.161.200]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cjZ5y-00061L-8t for gclcip-std-proposals@m.gmane.org; Thu, 02 Mar 2017 23:21:10 +0100 Original-Received: by mail-yw0-f200.google.com with SMTP id 2sf144043312ywn.1 for ; Thu, 02 Mar 2017 14:21:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=isocpp-org.20150623.gappssmtp.com; s=20150623; h=from:subject:date:message-id:cc:to:mime-version: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=xsCVk7U+4aASBCO9UT3Le6Qhm7+zMrswC8h/SZ4n7Tw=; b=DIACU36iURwmV1ntQ3yi8cnyIgvIvhWvwHCH3x8toEX+Jl6hNv7th9VbEQGnTuhOTl DUMHx4ZwbFTBKtPCk1zabAMPR9x3vztBBFSMQO14OrWVCSRSsMHx6sNC6zowcg7GNhlw /1sL98QGvJzmSOM1p0i5gIJk4T2adPFlxunYqQfJkEhPWhdymzfXI1lwsjiM48McQVUA Wu5M38aAfHymwHmgf+/sYNNnF/CS2gDgPJLKCmEpK+ugEo92yRV7j5Z4ohL11jWC0S79 jvKNEBrfJQZGpPXTkhi+lOyxeNVMcogXG09mUfyIaJKn9j74AQByKVWlmlGan5QR/9h4 OQ0A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:subject:date:message-id:cc:to:mime-version :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=xsCVk7U+4aASBCO9UT3Le6Qhm7+zMrswC8h/SZ4n7Tw=; b=nCdBoT9WWTTY9g+XcjGzY/wBlnPDAtPrwjPTjJboHpmoJ5/NgUIpbOCzq4+cDZrf2t rW3mp/fFMz8ilv2POC86CcRgKY3kE1iR8QgTSIFbP7SIn9psvtumEnGOQ4Dm2J0obMoG Du8BafcSge1WTRE2/UXgvkHIL0Vs1BpTKRN37HZfx0wHrTGolG9rPdte6W1E4jyOgESM FT0O6pOsTWva0LO4qmqjPSx06hL6uLf02ZZzjHN3vLdKD9Uux2fbO32pSZmp2+7a9X7p tnWVIHcsvw4UlSjpE8+pk3uQrgVn0SDCAM5J4FURZVCdvFznrs50raevVApx5RObWYGV R+sQ== X-Gm-Message-State: AMke39ls75S41S8kk54SXbyNImdmF+BU0hAY1hG1nEfq5tSl2QgwHHZKpf524WqbJIB5SA== X-Received: by 10.13.213.142 with SMTP id x136mr5635717ywd.113.1488493276054; Thu, 02 Mar 2017 14:21:16 -0800 (PST) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.107.11.222 with SMTP id 91ls2367770iol.41.gmail; Thu, 02 Mar 2017 14:21:14 -0800 (PST) X-Received: by 10.36.98.80 with SMTP id d77mr44102itc.99.1488493274615; Thu, 02 Mar 2017 14:21:14 -0800 (PST) Original-Received: from mail-io0-x242.google.com (mail-io0-x242.google.com. [2607:f8b0:4001:c06::242]) by mx.google.com with ESMTPS id k11si10441816iod.118.2017.03.02.14.21.14 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 02 Mar 2017 14:21:14 -0800 (PST) Received-SPF: pass (google.com: domain of randomdsdevel@gmail.com designates 2607:f8b0:4001:c06::242 as permitted sender) client-ip=2607:f8b0:4001:c06::242; Original-Received: by mail-io0-x242.google.com with SMTP id n76so9615128ioe.1 for ; Thu, 02 Mar 2017 14:21:14 -0800 (PST) X-Received: by 10.107.39.20 with SMTP id n20mr68798ion.43.1488493274383; Thu, 02 Mar 2017 14:21:14 -0800 (PST) Original-Received: from [10.0.1.11] (c-68-50-177-220.hsd1.in.comcast.net. [68.50.177.220]) by smtp.gmail.com with ESMTPSA id k66sm145951itg.8.2017.03.02.14.21.13 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 02 Mar 2017 14:21:13 -0800 (PST) X-Mailer: Apple Mail (2.3124) X-Original-Sender: RandomDSdevel@gmail.com X-Original-Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com; spf=pass (google.com: domain of randomdsdevel@gmail.com designates 2607:f8b0:4001:c06::242 as permitted sender) smtp.mailfrom=randomdsdevel@gmail.com; dmarc=pass (p=NONE sp=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:31361 Archived-At: --Apple-Mail=_E8270D97-9EF4-4594-9397-D27C3C93C4E5 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 On Thursday, March 2, 2017 at 4:43:30 AM UTC-5, Bengt Gustafsson wrote: =E2=80=A6 A comment on the invoke_on_top_t functionality. Why add a special tag type = just to be able to overload operator() to do another task when there is the= possibility to add a regular method: std::continuation::invoke_on_top(args= ....). Also it would be interesting to know when this rather strange functio= nality is useful. =E2=80=A6 Just a small thought that I had while keeping tabs on this thread, eve= n if only as a mailing-list lurker (for the most part, anyway;) but one use= case of something like `invoke_on_top_t` would be to implement a tail-recu= rsive 'trampoline' function . =20 =E2=80=94=E2=80=89Bryce Glover =E3=80=80=E2=80=89RandomDSdevel@gmail.com --=20 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 e= mail 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/26EDCD88-C4FB-47F3-BF21-38D980966CA8%40gmail.com= .. --Apple-Mail=_E8270D97-9EF4-4594-9397-D27C3C93C4E5 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=UTF-8 On Thursday, March = 2, 2017 at 4:43:30 AM UTC-5, Bengt Gustafsson wrote:
=E2=80=A6
<= br class=3D"">
A comment on the invoke_on_top_t functionality. Why add a specia= l tag type just to be able to overload operator() to do another task when t= here is the possibility to add a regular method: std::continuation::invoke_= on_top(args...). Also it would be interesting to know when = this rather strange functionality is useful.

=E2=80=A6
<= /blockquote>

     Just a small thought t= hat I had while keeping tabs on this thread, even if only as a mailing-list= lurker (for the most part, anyway;) but <= i class=3D"">one use case of something like `invoke_on_top_t` woul= d be to implement a tail-recursive 'trampoline' function.  

=E2=80=94=E2=80=89= Bryce Glover
=E3=80=80=E2=80=89RandomDSdevel@gmail.com

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