220 18676 <558400A2.2040005@gmail.com> article Path: news.gmane.org!not-for-mail From: Evgeny Panasyuk Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: if not (expression) like python Date: Fri, 19 Jun 2015 14:44:34 +0300 Lines: 27 Approved: news@gmane.org Message-ID: <558400A2.2040005@gmail.com> References: <51565265-ec78-4f6b-b684-64aed8fd9a57@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 1434714304 23499 80.91.229.3 (19 Jun 2015 11:45:04 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 19 Jun 2015 11:45:04 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBC54TLGKR4LBBKUBSCWAKGQET46LFMQ@isocpp.org Fri Jun 19 13:44:57 2015 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-la0-f70.google.com ([209.85.215.70]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Z5uiy-00032e-7O for gclcip-std-proposals@m.gmane.org; Fri, 19 Jun 2015 13:44:44 +0200 Original-Received: by laer2 with SMTP id r2sf2549083lae.3 for ; Fri, 19 Jun 2015 04:44:43 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:message-id:date:user-agent:mime-version:to :subject:references:in-reply-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=QUPMUDVUhxGI1fUpT9aSDnI0+BdeR9AsPSEul3dM584=; b=M1Hysc2GBWILFUNonK2ECkGxXomZ6NyO5mGl3gSxzvUk09zlMZjZCZ60lpEiU8rXr8 qAi2j3vMUs0e8RFw1xgD+qrlz2d3epovD5QdTNR8LK6MFKSmVSoeDiDMY25wlUqmTy3r PL67dEAg1oUSo7nYP0vw3jyIoHQ5hnbUHs8Q+IDfI3eohXHr+G18rdltgS7DWa31pNMW OfxnPYjbuRVK/ohWJQOj0iV8s59JavoF8snjFmDM5wWtq51XkXmve8f5MNdRybMJZMDM Bk/iuqvsnudkBdgCbTvGB7GGorqFnK1+6UA/1p+sjRPpCI8Oeb8Xk/Spyk7yazSt282A 09sw= X-Gm-Message-State: ALoCoQkKCfaL7hmWcqVyIJHjh05iEn2qSi0aUoDV2oYNdxOvRfk6xCzZ3jDhM/wYAlxntu3adIcN X-Received: by 10.112.14.101 with SMTP id o5mr14662094lbc.3.1434714283538; Fri, 19 Jun 2015 04:44:43 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.152.43.228 with SMTP id z4ls607053lal.90.gmail; Fri, 19 Jun 2015 04:44:42 -0700 (PDT) X-Received: by 10.152.30.34 with SMTP id p2mr17381806lah.89.1434714282143; Fri, 19 Jun 2015 04:44:42 -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 b1si8957903laf.78.2015.06.19.04.44.42 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 19 Jun 2015 04:44:42 -0700 (PDT) Received-SPF: pass (google.com: domain of evgeny.panasyuk@gmail.com designates 2a00:1450:4010:c03::230 as permitted sender) client-ip=2a00:1450:4010:c03::230; Original-Received: by lacny3 with SMTP id ny3so72450392lac.3 for ; Fri, 19 Jun 2015 04:44:42 -0700 (PDT) X-Received: by 10.152.44.225 with SMTP id h1mr17336071lam.5.1434714282053; Fri, 19 Jun 2015 04:44:42 -0700 (PDT) Original-Received: from [192.168.0.186] ([188.114.26.93]) by mx.google.com with ESMTPSA id q9sm2432681lag.20.2015.06.19.04.44.40 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 19 Jun 2015 04:44:41 -0700 (PDT) User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 In-Reply-To: <51565265-ec78-4f6b-b684-64aed8fd9a57@isocpp.org> X-Original-Sender: Evgeny.Panasyuk@gmail.com X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of evgeny.panasyuk@gmail.com designates 2a00:1450:4010:c03::230 as permitted sender) smtp.mail=evgeny.panasyuk@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:18676 Archived-At: 19.06.2015 14:38, shatilov.diman@gmail.com: > Sorry for my poor English. > > I suggest to add new keyword '*not*' to the c++17, like in python. > > I think > |ifnot(bag.empty()){}| > is more readable, then > |if(bag.empty()==false){} > //or > if(!bag.empty()){}| C++ already has "not": http://coliru.stacked-crooked.com/a/43b2a7e11c75e601 |if(not bag.empty()) {}| -- Evgeny Panasyuk -- --- 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/. .