From 5613885949729512379 X-Google-Thread: f78e5,ac8f7c796c0ee2eb X-Google-Attributes: gidf78e5,public,usenet X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news1.google.com!news2.google.com!border1.nntp.dca.giganews.com!border2.nntp.dca.giganews.com!nntp.giganews.com!newspeer1.nwr.nac.net!colt.net!peer-uk.news.demon.net!kibo.news.demon.net!mutlu.news.demon.net!news.demon.co.uk!demon!stump.algebra.com!devnull From: tazmaster@rocketmail.com ("Jim Langston") Newsgroups: comp.std.c++ Subject: Re: std::pair istream >> operator Date: Mon, 19 Nov 2007 19:08:53 GMT Lines: 28 Sender: mail2news@demon.net Approved: fjh@cs.mu.oz.au (Fergus Henderson , moderator of comp.std.c++) Message-ID: References: NNTP-Posting-Host: news.news.demon.net X-Trace: news.demon.co.uk 1195499341 20943 158.152.254.254 (19 Nov 2007 19:09:01 GMT) X-Complaints-To: abuse@demon.net NNTP-Posting-Date: Mon, 19 Nov 2007 19:09:01 +0000 (UTC) X-Original-To: std-c++@mailman.ucar.edu X-Robomod: STUMP, ichudov@algebra.com (Igor Chudov) X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198 X-Priority: 3 X-RFC2646: Format=Flowed; Original X-Virus-Scanned: amavisd-new at csse.unimelb.edu.au X-MSMail-Priority: Normal X-Received: (from fjh@localhost) by mulga.csse.unimelb.edu.au (8.13.8+Sun/8.13.8/Submit) id lAJJ8rcW012799; Tue, 20 Nov 2007 06:08:53 +1100 (EST) X-Path: comp-std-cpp-robomod!not-for-mail X-NNTP-Posting-Date: Mon, 19 Nov 2007 12:02:16 MST X-Delivered-To: std-c++@mailman.ucar.edu X-Authentication-Warning: mulga.csse.unimelb.edu.au: fjh set sender to devnull@stump.algebra.com using -f X-SMTP-Auth: no X-Newsreader: Microsoft Outlook Express 6.00.2900.3138 X-Newsgroups: comp.std.c++ X-Original-Bytes: 2624 Xref: g2news1.google.com comp.std.c++:9652 "Andrey" wrote in message news:a7eb92bf-1ab8-438d-8bca-b6f7cfcc056c@o6g2000hsd.googlegroups.com... > Hello. > I'm wondering why there is no standard operator defined like the > following? > > template > istream & operator >> (istream & in, pair & p) { > return in>>p.first>>p.second; > } > > I always define it by hand. Consider, also, that your implemnation can be broken for std::pair since the std::string can contain a space. In which case it might need to be std::getline( in, p.first ); return in >> p.second; or even with you probably want a std::getline for the second parameter. --- [ comp.std.c++ is moderated. To submit articles, try just posting with ] [ your news-reader. If that fails, use mailto:std-c++@ncar.ucar.edu ] [ --- Please see the FAQ before posting. --- ] [ FAQ: http://www.comeaucomputing.com/csc/faq.html ]