From 2954115268358259882 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: f78e5,ede379f5dbbc1549 X-Google-Attributes: gidf78e5,public From: Hyman Rosen Subject: Re: Suggestion: "typeof" keyword Date: 1999/08/12 Message-ID: #1/1 X-Deja-AN: 511894763 Approved: Valentin Bonnard References: <7nt3vl$1oe$1@nnrp1.deja.com> <7oh7o8$t3f$1@nnrp1.deja.com> <7ol6hi$ej9$2@news.BelWue.DE> <7oup0a$8g2$1@nnrp1.deja.com> X-Original-Date: 12 Aug 1999 11:42:59 -0400 Content-Type: text/plain; charset=us-ascii Organization: PANIX Public Access Internet and UNIX, NYC X-Auth: PGPMoose V1.1 PGP comp.std.c++ iQBVAwUAN7LsV6wEuYhIxRhxAQEeQgH+MEWFUSxTAY2TWRY8/FDB9aruzD/zOIQt 94FyDzTrIlMuD3CYWgZcoNdnMIg3U5kTSH3Jrr4EtJS04LAJAL7hxA== =F0IN Mime-Version: 1.0 User-Agent: Gnus/5.070084 (Pterodactyl Gnus v0.84) Emacs/20.3 Newsgroups: comp.std.c++ sirwillard@my-deja.com writes: > Though I'd like the introduction of typeof, I feel someone should play > at least a bit of devils advocate. What should be the result of the > following? > > base* p = new derived; > typeof(*p) copy(*p); The type of typeof(*p) is base. Typeof, like sizeof, is based only on the static type of the expression. It's a compile-time construct. --- [ 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://reality.sgi.com/austern_mti/std-c++/faq.html ]