220 15316 <46cc4da5-98d1-471f-ab31-714ac5502853@isocpp.org> article Path: news.gmane.org!not-for-mail From: Leo Heinsaar Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Re: Isn't it time we had the bool std::[container]::contains() family of methods? Date: Fri, 26 Dec 2014 05:31:42 -0800 (PST) Lines: 92 Approved: news@gmane.org Message-ID: <46cc4da5-98d1-471f-ab31-714ac5502853@isocpp.org> References: <0959f2f8-acdd-4786-b6f3-0f05c62dcee6@isocpp.org> <2df86492-548f-42c8-86d6-fe1c8ba3a5a9@isocpp.org> <2f390ec3-b259-4150-9771-cd0d02860348@isocpp.org> <3743ebda-3367-4fc3-922a-f38d98e57889@isocpp.org> <1bccb2dd-4aa4-4f07-8958-b1d6bf092630@isocpp.org> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_5292_1781448045.1419600702034" X-Trace: ger.gmane.org 1419600712 4973 80.91.229.3 (26 Dec 2014 13:31:52 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 26 Dec 2014 13:31:52 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBCFYDAXXQYEBBPWG6WSAKGQE3XJE7OY@isocpp.org Fri Dec 26 14:31:45 2014 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-pa0-f69.google.com ([209.85.220.69]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Y4UzY-0007BR-UG for gclcip-std-proposals@m.gmane.org; Fri, 26 Dec 2014 14:31:45 +0100 Original-Received: by mail-pa0-f69.google.com with SMTP id et14sf79920498pad.0 for ; Fri, 26 Dec 2014 05:31:43 -0800 (PST) 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:list-post:list-help:list-archive:list-subscribe :list-unsubscribe; bh=u5Ej7ONRFS5T1Cv4plksG22yaQNSa1P719alAH8vhsE=; b=0NcCd/ogHRY/Gr6WoAtZRy7inqApjCEbxYDt4t7k5MOg0LZYNRiFjXDrqSbR7KYf2z KLdfq0RZIQREtGqdzg+JXDpD5NpeSj5bTdWCWj7v+sNjCT8+dlwKbkOUX6vSzUNDLgSP DJoPsfw2S8TVWJ6KbVrFU7lvb9Fi+FfzWca474sXCJAPVYvH0CoagyJHdLdWgvNs3OXF 6BrVo3CssWVHPJc3EKTK+AJ+8X7rLPWmgm5RLW7xqCu1Uwk9SjcXRhR8vapRfLZruwjz meLr0u04hQP4PewTD262vg6TIu799LWAZqlJJc7x4etsW4rQboMCACNvg2kRLGh5rYLM 1xHQ== 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:list-post:list-help:list-archive :list-subscribe:list-unsubscribe; bh=u5Ej7ONRFS5T1Cv4plksG22yaQNSa1P719alAH8vhsE=; b=LGgdmSChLwNqwUROvhniGvRldOiCU/YIakXFByUlLNNPz1oAnzFTM3OoyeekuuTGg5 EQQZAEEEmbuvGjKlJS0UdT3PGKWHA2xbNFzKk/5ebpFzeAZRCGGE+TJ3Rz2Ut1flx8z5 npQvCHng9nDuy31EDc2PE+CcqcsbRhVJC+laaFkXO25DK0sRYRgL51OzpNx5A2/Se1Mr q1M+eCVtTwMDJcJ7KOAmISFSvNxSDHRxE3ibUW16fDhaZ+TEMLYIzlx6UORHNmTVhw3H 0HfRJN6LHI86yUq9RMXJjsUqhcH4I1WxZD3CDJCSpi+wU2IvT+rvmE9gXSfG3t3lNfl7 j3ng== X-Gm-Message-State: ALoCoQnnv0zNPxV7faIgQLabN2SNixem1m7w4lrIzznHKU1jEtsCW/SZcrO7W6tOY+CrmYrWbHVw X-Received: by 10.66.253.3 with SMTP id zw3mr34513171pac.3.1419600703528; Fri, 26 Dec 2014 05:31:43 -0800 (PST) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.140.35.239 with SMTP id n102ls1622908qgn.21.gmail; Fri, 26 Dec 2014 05:31:42 -0800 (PST) X-Received: by 10.140.93.226 with SMTP id d89mr13845qge.13.1419600702683; Fri, 26 Dec 2014 05:31:42 -0800 (PST) In-Reply-To: X-Original-Sender: leoheinsaar@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:15316 Archived-At: ------=_Part_5292_1781448045.1419600702034 Content-Type: multipart/alternative; boundary="----=_Part_5293_580285841.1419600702035" ------=_Part_5293_580285841.1419600702035 Content-Type: text/plain; charset=UTF-8 On Friday, December 26, 2014 4:50:15 PM UTC+4, Olaf van der Spek wrote: > > On Fri, Dec 26, 2014 at 10:30 AM, Leo Heinsaar > wrote: > > Sorry Andy - I took a closer look at Bjarne's proposal; it seems like if > it > > goes through, we'll indeed be able to have a global contains() with all > the > > benefits with respect to having it for arrays and such, invokable via > > vec.contains(x) syntax. (It really is about nicer syntax as well as less > - a > > lot less - typing.) > > How is it less typing? Auto-complete? > Since we'll be able to simply write *phone_book.contains(number)* instead of: *phone_book.find(number) != phone_book.end()* Not to mention how much more clearly the simplified version, as they like to call it, expresses intent. -- --- 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/. ------=_Part_5293_580285841.1419600702035 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
On Friday, December 26, 2014 4:50:15 PM UTC+4, Olaf van de= r Spek wrote:
On Fri, Dec 26, 2= 014 at 10:30 AM, Leo Heinsaar <leoh= e...@gmail.com> wrote:
> Sorry Andy - I took a closer look at Bjarne's proposal; it seems l= ike if it
> goes through, we'll indeed be able to have a global contains() wit= h all the
> benefits with respect to having it for arrays and such, invokable = via
> vec.contains(x) syntax. (It really is about nicer syntax as well a= s less - a
> lot less - typing.)

How is it less typing? Auto-complete?

Since we'll be able to simply write
phone_book.contains(number)
instead of:
phone_book.find(number) !=3D phone_book.end()
Not to mention how much more clearly the simplified version, as th= ey like to call it, expresses intent.

--

---
You received this message because you are subscribed to the Google Groups &= quot;ISO C++ Standard - Future Proposals" group.
To unsubscribe from this group and stop receiving emails from it, send an e= mail to std-proposa= ls+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/<= /a>.
------=_Part_5293_580285841.1419600702035-- ------=_Part_5292_1781448045.1419600702034-- .