From 1491683822028555086 X-Google-Thread: f78e5,f1baa317914feeaf X-Google-Attributes: gidf78e5,domainid0,public,usenet X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news2.google.com!news2.google.com!newsfeed.stanford.edu!news.kjsl.com!news.alt.net!frodo.cs.rpi.edu!not-for-mail From: Giovanni Deretta Newsgroups: comp.std.c++ Subject: Re: typeof keyword Date: Fri, 27 Mar 2009 15:40:24 CST Organization: http://groups.google.com Lines: 30 Sender: cppmods@cs.rpi.edu Approved: stephen.clamage@sun.com Message-ID: <4c6295e4-2e8d-44e3-85cd-7e9eb9e72ce0@p11g2000yqe.googlegroups.com> References: <488de3d4-77ac-4c01-8130-d196dec70bc8@v15g2000yqn.googlegroups.com> NNTP-Posting-Host: netlab.cs.rpi.edu Content-Type: text/plain; charset=ISO-8859-1 To: (Usenet) Return-Path: X-Original-Date: Fri, 27 Mar 2009 07:32:04 -0700 (PDT) X-Submission-Address: std-c++@netlab.cs.rpi.edu Xref: g2news2.google.com comp.std.c++:356 On Mar 27, 4:45 am, Olivier wrote: > Why wasn't the wording "typeof" kept instead of "decltype" ? > Decltype has slightly different semantics than typeof as implemented by some compilers (i.e. typeof(x) is more or less equivalent to remove_reference::type) , so the committee changed the name not to clash with those existing extensions. Also the new standard has 'auto': auto x = /expression/; will be equivalent to: remove_reference::type x = /expression/; While decltype is mainly useful for generic library writers, I think 'auto' will have a much more widespread usage. -- gpd -- [ 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 ]