220 26564 article Path: news.gmane.org!not-for-mail From: Jim Porter Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: auto type deduction for *_cast return argument Date: Tue, 5 Jul 2016 10:57:56 -0500 Lines: 20 Approved: news@gmane.org Message-ID: References: <58140e46-2adc-4eac-8f51-72d3685cdf0b@isocpp.org> <7E3409C2-A2AC-4562-BB06-6D5D5ACE8AC8@gmail.com> <00caca39-d36a-475c-840f-79759e99265d@isocpp.org> <4ac3803f-a87d-4551-947f-43f106bdda20@isocpp.org> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed X-Trace: ger.gmane.org 1467734306 22000 80.91.229.3 (5 Jul 2016 15:58:26 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 5 Jul 2016 15:58:26 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBDYZZG6PQYFRBFVS565QKGQEMN7FNAA@isocpp.org Tue Jul 05 17:58:17 2016 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-lf0-f70.google.com ([209.85.215.70]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1bKSjo-0000Yx-KD for gclcip-std-proposals@m.gmane.org; Tue, 05 Jul 2016 17:58:16 +0200 Original-Received: by mail-lf0-f70.google.com with SMTP id a4sf142179292lfa.1 for ; Tue, 05 Jul 2016 08:58:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=isocpp-org.20150623.gappssmtp.com; s=20150623; h=to:from:subject:date:lines:message-id:references:mime-version :user-agent:in-reply-to: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=DQvmzpvA6dFVedW44z/8NdSkUb4lm20VYhESeXKQd7c=; b=HJqim2jqFHwuMBCoHUc3atewKuj+XmPU9prvnj19rziGIIk4rS/+svue9N0jy1k2NG tY6xVU6I2LjI2Z6tYZMJqCDbppTqcemGbwenmCnIhPZV4phv9KShizh4A0DMDftD7RPN QRsbxgnVDkGI7vj5A6OntRXoUZk2XEeR+Os53GrXNNk5TCEIojRJcaHe7Zb/1fd6Fn/j AojmfAqzfqi+3tYt3TVEU+gFojmzwJiLX43//87I9bj+sROpfM1kCm3SNypYn9rOhOtq 7Q9S2vN9icjXGjhS91LPyWIB5/ZhLYYT40UYqj2R3NCb10PlKEIeQ9uPxOho6O1S5lVz Kwvw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:to:from:subject:date:lines:message-id:references :mime-version:user-agent:in-reply-to: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=DQvmzpvA6dFVedW44z/8NdSkUb4lm20VYhESeXKQd7c=; b=nHVPlXgAPqwBLVFSMxhPJzE9gNcvx2GmaKtw0nzzf1+ibSAgpAdSh1ZmPkiHwENlTL IUtI7zIg27epbBkG4RxdckS12WAQjtrKvRksPX3ki47KpazUA7Td8rZ344AarxJVTrh5 ZP8QWK+KTbajDETzEtybsw2+0gQrMfx0oMFK3Tyg8sMsyPtelf5LL6kUyE4uCFKPUUgm x8j+N4FQbsOxepr0DPEWMzRbfCUZwoJtDv25drQhXS2NWdUh3+/VPKUlIZfHtCEbww8+ 6ivvThsqOmRj6DcGAekXS1RNPfjkTDVFcqmBSo0TY755y9W4rH74xn7VnegygE8YCBPM h6Wg== X-Gm-Message-State: ALyK8tIPVT/FmvbUfttieat8eq+26dElXX88/nUwU+COj5108uKNflg8Akq5vVEAcsUfUw== X-Received: by 10.28.154.151 with SMTP id c145mr2833156wme.3.1467734296086; Tue, 05 Jul 2016 08:58:16 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.25.40.143 with SMTP id o137ls200981lfo.4.gmail; Tue, 05 Jul 2016 08:58:14 -0700 (PDT) X-Received: by 10.25.3.12 with SMTP id 12mr3721570lfd.110.1467734294091; Tue, 05 Jul 2016 08:58:14 -0700 (PDT) Original-Received: from plane.gmane.org (plane.gmane.org. [80.91.229.3]) by mx.google.com with ESMTPS id f82si368446lfe.266.2016.07.05.08.58.13 for (version=TLS1 cipher=AES128-SHA bits=128/128); Tue, 05 Jul 2016 08:58:13 -0700 (PDT) Received-SPF: pass (google.com: domain of gclcip-std-proposals@m.gmane.org designates 80.91.229.3 as permitted sender) client-ip=80.91.229.3; Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1bKSjj-0000VN-E3 for std-proposals@isocpp.org; Tue, 05 Jul 2016 17:58:11 +0200 Original-Received: from 24-241-226-143.dhcp.mdsn.wi.charter.com ([24.241.226.143]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 05 Jul 2016 17:58:11 +0200 Original-Received: from jvp4846 by 24-241-226-143.dhcp.mdsn.wi.charter.com with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 05 Jul 2016 17:58:11 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 13 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 24-241-226-143.dhcp.mdsn.wi.charter.com User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 In-Reply-To: <4ac3803f-a87d-4551-947f-43f106bdda20@isocpp.org> X-Original-Sender: jvp4846@g.rit.edu X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of gclcip-std-proposals@m.gmane.org designates 80.91.229.3 as permitted sender) smtp.mailfrom=gclcip-std-proposals@m.gmane.org 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:26564 Archived-At: On 7/5/2016 10:07 AM, Nicol Bolas wrote: > Indeed, this is a good reason to /not/ make such casts easier to type. > If you're using casts so frequently that you need a language change to > avoid lots of repetition, then I'd say that your code is doing something > wrong. Agreed. I seem to recall a (possibly apocryphal) explanation that the C++ cast functions were verbose *because* they should be avoided unless absolutely necessary; the verbosity thus serves as a warning to the developer to rethink things. - Jim -- 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/nlgled%24jdo%241%40ger.gmane.org. .