From -3342374650722953724 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: f78e5,ede379f5dbbc1549 X-Google-Attributes: gidf78e5,public From: "David J. Littleboy" Subject: Re: Suggestion: "typeof" keyword Date: 1999/08/16 Message-ID: #1/1 X-Deja-AN: 513325466 Content-Transfer-Encoding: 7bit Approved: Fergus Henderson References: <7nt3vl$1oe$1@nnrp1.deja.com> <37AFAC37.6B7F4253@cs.utu.fi> <7opt86$pku$1@nnrp1.deja.com> <7p0ks0$1i7$1@mulga.cs.mu.OZ.AU> X-Original-Date: Mon, 16 Aug 1999 08:53:40 GMT Content-Type: text/plain; charset="iso-2022-jp" X-MimeOLE: Produced By Microsoft MimeOLE V4.72.3110.3 X-Complaints-To: news@news.unimelb.edu.au X-Trace: izvestia.its.unimelb.edu.au 934800638 8559 128.250.29.17 (16 Aug 1999 10:50:38 GMT) Organization: Global Online Japan X-Auth: PGPMoose V1.1 PGP comp.std.c++ iQBFAgUAN7fs7OEDnX0m9pzZAQGidQGAlYtu/YrVzm7pEzMq47VrzJZScpbayCI0 Vi52pQICNnA8WPesjnjeACglRfRca3X7 =nzxJ Mime-Version: 1.0 NNTP-Posting-Date: 16 Aug 1999 10:50:38 GMT Newsgroups: comp.std.c++ Andrew Koenig wrote in message ... >Actually, it's much more profound than that: If we had "declare", [snip] >it would be possible to write > > declare copy(declare begin, declare end, declare out) > { > while (begin != end) > *out++ = *begin**; > return out; > } > >Here, the type of the expression in the "return" statement would >determine the return type of the function! This one's been done before. It was a feature of BBN Lisp around 1972 called DWIM: do what I mean. David J. Littleboy @ducking.for.cover.com --- [ 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 ]