From -3745240995172303159 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: f78e5,11af4794c44339e8 X-Google-Attributes: gidf78e5,public From: "Bill Wade" Subject: Re: Can you static_cast between enums? Date: 1999/12/08 Message-ID: <82m0fj$2u3@library1.airnews.net>#1/1 X-Deja-AN: 558223523 X-NNTP-Posting-Host: !Xlmk1k-WC/u>nD (Encoded at Airnews!) Approved: stephen.clamage@sun.com (comp.std.c++) References: <384dc30d.21459442@news.csrlink.net> X-UID: 0000000001 X-Status: $$$T X-MimeOLE: Produced By Microsoft MimeOLE V4.72.3110.3 Organization: Neosoft (using Airnews.net!) Abuse-Reports-To: abuse at airmail.net to report improper postings Newsgroups: comp.std.c++ Originator: clamage@taumet John Potter wrote in message <384dc30d.21459442@news.csrlink.net>... >On 07 Dec 99 15:51:47 GMT, Ron Burk wrote: > >: Mark Wilson submitted this to our Bug++ column, and I'm >: having trouble proving what's right from the standard. In >: a nutshell, the question is: can static_cast cast between >: different enums? The sample code is: > >The answer is no. Maybe someone will walk you through it, but >here is an analogy of your logic. > >float f; >int* pi = static_cast(&f); A good point. However 7.2/9 effectively says that there is some cast that will do the conversion of one enum type to another. Which cast works? It turns out that this is an open issue (#128) on the core language list. So the real answer is "maybe some day the committee will tell us." [ 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 ]