From -1636247306628916913 X-Google-Thread: 7894ca11fe,d47b345505a72a70 X-Google-Attributes: gid7894ca11fe,public,usenet X-Google-NewGroupId: yes X-Google-Language: ENGLISH,ASCII Path: g2news2.google.com!news2.google.com!news.glorb.com!news2.glorb.com!news.alt.net!frodo.cs.rpi.edu!not-for-mail From: darkmx Newsgroups: comp.std.c++ Subject: Re: for-else: adding else to for loops Date: Sun, 9 Aug 2009 09:51:09 CST Organization: http://groups.google.com Lines: 49 Sender: cppmods@cs.rpi.edu Approved: stephen.clamage@sun.com Message-ID: <738e6f62-3d38-45f1-8ec1-a91cb8ee5721@m20g2000vbp.googlegroups.com> References: <5d82cd6c-2a22-4dd7-8c7d-790b579533ea@d15g2000prc.googlegroups.com> NNTP-Posting-Host: netlab.cs.rpi.edu Content-Type: text/plain; charset=ISO-8859-1 To: (Usenet) Return-Path: X-Original-Date: Sun, 9 Aug 2009 07:42:17 -0700 (PDT) X-Submission-Address: std-c++@netlab.cs.rpi.edu Xref: g2news2.google.com comp.std.c++:1244 On 8 ago, 22:00, Howard Hinnant wrote: > On Aug 8, 11:54 am, Mathias Gaunard wrote: > > > On 8 ao�t, 00:24, Howard Hinnant wrote: > > > > for (auto i : seq) > > > { > > > cout << ", " << i; > > > for one {cout << "The only number is " << i << '\n';} > > > for first {cout << "The numbers are " << i;} > > > for last {cout << " and " << i << '\n';}} > > > > for none {cout << "There are no numbers\n";} > > > I would have expected cout << ", " << i to be executed in all cases > > here, not only in the non-one, non-first and non-last cases. > > What would the use case look like? > > -Howard > > -- > [ comp.std.c++ is moderated. To submit articles, try just posting with ] > [ your news-reader. If that fails, use mailto:std-...@netlab.cs.rpi.edu] > [ --- Please see the FAQ before posting. --- ] > [ FAQ:http://www.comeaucomputing.com/csc/faq.html ] it's not a matter of a use case, but a matter of syntax, I agree with Mathias I would prefer for (auto i : seq) { for one { cout << "The only number is " << i << '\n'; } for first { cout << "The numbers are " << i; } for last { cout << " and " << i << '\n'; } for others { cout << ", " << i; } } for none {cout << "There are no numbers\n";} and a naked cout << ", " << i; being executed every iteration -- [ comp.std.c++ is moderated. To submit articles, try just posting with ] [ your news-reader. If that fails, use mailto:std-c++@netlab.cs.rpi.edu] [ --- Please see the FAQ before posting. --- ] [ FAQ: http://www.comeaucomputing.com/csc/faq.html ]