220 18677 <8f64343f-e5b8-424a-83df-4385c46c5ef9@isocpp.org> article Path: news.gmane.org!not-for-mail From: Diman Shatilov Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: if not (expression) like python Date: Fri, 19 Jun 2015 04:48:12 -0700 (PDT) Lines: 107 Approved: news@gmane.org Message-ID: <8f64343f-e5b8-424a-83df-4385c46c5ef9@isocpp.org> References: <51565265-ec78-4f6b-b684-64aed8fd9a57@isocpp.org> <558400A2.2040005@gmail.com> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_822_1411011421.1434714492590" X-Trace: ger.gmane.org 1434714501 26451 80.91.229.3 (19 Jun 2015 11:48:21 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 19 Jun 2015 11:48:21 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBCH7FVOKRQGRB7MCSCWAKGQEEFPPZYA@isocpp.org Fri Jun 19 13:48:21 2015 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-yk0-f199.google.com ([209.85.160.199]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Z5umM-0006BA-PZ for gclcip-std-proposals@m.gmane.org; Fri, 19 Jun 2015 13:48:14 +0200 Original-Received: by ykfl8 with SMTP id l8sf96292434ykf.0 for ; Fri, 19 Jun 2015 04:48:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=date:from:to:message-id:in-reply-to:references:subject:mime-version :content-type:x-original-sender:reply-to:precedence:mailing-list :list-id:x-spam-checked-in-group:list-post:list-help:list-archive :list-subscribe:list-unsubscribe; bh=G5M44BJDQAwLrj5IvVWjC57p9apnPY5AMdPhdlVKpTQ=; b=RVp6YpP82WoUZepI9JKNi+r59zD1O/24dnhgkP3QIc5hjB3GXd23pR0qKDk3Vu8054 RwpHLsG2c2qYK9/yKvwUXg1mr8+C3rVnhNxKYebjSNhnw5nyrQ9tIT7tD4uPNopzs8Q5 aWTHnEVh+DFppWVc9+2/aHIsWBKH+NU+O13XQf5vQl4Jad0YlJ7XdjNHMEuJ78k4Tzjk GtSmDltpYM81Buw3zG0XzlNQJY3Zrxr3BidanDfZ0r7pQZpoK/kp52DTbarMbod2Ue8r vz0m0YXF5ArJDaA3GTbtrlIDxiHhX2LIMG1I1pJdzWkwS45dqVUxW6oHA3ZDoK/JUp/Z Z1rw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:date:from:to:message-id:in-reply-to:references :subject:mime-version:content-type:x-original-sender:reply-to :precedence:mailing-list:list-id:x-spam-checked-in-group:list-post :list-help:list-archive:list-subscribe:list-unsubscribe; bh=G5M44BJDQAwLrj5IvVWjC57p9apnPY5AMdPhdlVKpTQ=; b=NR+PP9q5DTuxlGj19+bU5UJ6lQAJcPlO3hDb6HStJ6+6HUzAqZ0rOUhsK5oC8NQndy 69Ne512LRofvwlQ1ZiUCHVQ+xkjLUYz8oOSoqVoywTR6QlPPE0pQq6PZsVylh55zGzji f5nPZWY1ycX9Ts2SYqW9zaR2HS95gDJPNWGwzJ00Ki149bpa7PtzPOP/56bO6yenaEUu pxy3ZnGyOenSZrQ9VsA0dFgToiVv/EDqRS+Bk7IGvcJNvaepH9RQRq7wFIFd5PQlxvFf cdQXt28ulgnFy/su8oqrdc2CG1alXQex7DMkdZa2CLjBWhP0R/Nwgqxu2QrF8IhOCgyi Dqdg== X-Gm-Message-State: ALoCoQngf+/NGbDlyZfL545ILCd7LM/Jfwv68o/dboChq3FMsV2KcNo+sBwz6dAuDRFgL44E3TXC X-Received: by 10.129.125.133 with SMTP id y127mr20978467ywc.57.1434714493882; Fri, 19 Jun 2015 04:48:13 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.140.104.51 with SMTP id z48ls2042985qge.23.gmail; Fri, 19 Jun 2015 04:48:13 -0700 (PDT) X-Received: by 10.140.102.172 with SMTP id w41mr287061qge.40.1434714493278; Fri, 19 Jun 2015 04:48:13 -0700 (PDT) In-Reply-To: <558400A2.2040005@gmail.com> X-Original-Sender: shatilov.diman@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:18677 Archived-At: ------=_Part_822_1411011421.1434714492590 Content-Type: multipart/alternative; boundary="----=_Part_823_207038926.1434714492590" ------=_Part_823_207038926.1434714492590 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Cool! How I missed it? Please, remove the topic =D0=BF=D1=8F=D1=82=D0=BD=D0=B8=D1=86=D0=B0, 19 =D0=B8=D1=8E=D0=BD=D1=8F 201= 5 =D0=B3., 14:44:43 UTC+3 =D0=BF=D0=BE=D0=BB=D1=8C=D0=B7=D0=BE=D0=B2=D0=B0= =D1=82=D0=B5=D0=BB=D1=8C Evgeny Panasyuk=20 =D0=BD=D0=B0=D0=BF=D0=B8=D1=81=D0=B0=D0=BB: > > 19.06.2015 14:38, shatilo...@gmail.com :=20 > > Sorry for my poor English.=20 > >=20 > > I suggest to add new keyword '*not*' to the c++17, like in python.=20 > >=20 > > I think=20 > > |ifnot(bag.empty()){}|=20 > > is more readable, then=20 > > |if(bag.empty()=3D=3Dfalse){}=20 > > //or=20 > > if(!bag.empty()){}|=20 > > C++ already has "not":=20 > http://coliru.stacked-crooked.com/a/43b2a7e11c75e601=20 > > |if(not bag.empty()) {}|=20 > > --=20 > Evgeny Panasyuk=20 > --=20 ---=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. Visit this group at http://groups.google.com/a/isocpp.org/group/std-proposa= ls/. ------=_Part_823_207038926.1434714492590 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Cool! How I missed it?
Please, remove the topic
=D0=BF=D1=8F=D1=82=D0=BD=D0=B8=D1=86=D0=B0, 19 =D0=B8=D1=8E=D0=BD=D1=8F 20= 15 =D0=B3., 14:44:43 UTC+3 =D0=BF=D0=BE=D0=BB=D1=8C=D0=B7=D0=BE=D0=B2=D0=B0= =D1=82=D0=B5=D0=BB=D1=8C Evgeny Panasyuk =D0=BD=D0=B0=D0=BF=D0=B8=D1=81=D0= =B0=D0=BB:
19.06.2015 14:38, shatilo...@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()=3D=3Dfalse){}
> //or
> if(!bag.empty()){}|

C++ already has "not": ht= tp://coliru.stacked-crooked.com/a/43b2a7e11c75e601

|if(not bag.empty()) {}|

--=20
Evgeny Panasyuk

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