Date: Thu, 17 Oct 1996 17:13:24 -0600 (MDT) From: Nate Williams <nate@mt.sri.com> To: "Eric J. Chet" <ejc@gargoyle.bazzle.com> Cc: Nate Williams <nate@mt.sri.com>, hackers@freebsd.org Subject: Re: C++ question Message-ID: <199610172313.RAA21461@rocky.mt.sri.com> In-Reply-To: <Pine.BSF.3.95.961017184808.22111A-100000@gargoyle.bazzle.com> References: <199610172119.PAA20617@rocky.mt.sri.com> <Pine.BSF.3.95.961017184808.22111A-100000@gargoyle.bazzle.com>
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Eric J. Chet writes: > On Thu, 17 Oct 1996, Nate Williams wrote: > > > Any C++ gurus out here? If so, here's a small snippet of a program that > > I am having some questions on. > > > > #if __GNUC__ > > foo::A * // G++ requires this, but Sun's compiler gets lost > > #else > > A * // I prefer G++'s syntax above, but can't for Sun > > #endif > > > > foo::getint(void) > > Remember "A" only exists in foo's namespace. The declaration > has to be: > > foo::A* foo::getint(void) > > If the Sun compiler allows: > > A* foo::getint(void) > > it has a problem. Sun's compiler should return something like > "A* is undefined". Agreed. I should submit a bug to them, but I don't know where to submit it to. ;( > > The above snippet of code compiles fine with g++ and *all* warnings > > turned on, but gives the following warning with Sun's CC compiler > > (latest released version). > > > > fly:/tmp % CC +w -c grpdgram.cc > > "grpdgram.cc", line 12: Warning (Anachronism): foo::A is not accessible from foo::B. > > This is false, foo::A has been defined and is in the same > namespace as foo::B. I agree. > > It's only a warning, but according to the documentation I'm doing > > something that won't be allowed in future C++ releases. > > I have not seen anything disallowing this in the latest public C++ > draft. You can take a look at it: "http://www.cygnus.com/misc/wp/draft" Thanks for the pointer. [ The rest taken offline ] Nate
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