Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!cs.utexas.edu!uunet!cadnetix.COM!mitch
From: mitch@cadnetix.COM
Newsgroups: comp.lang.c++,local.c++
Subject: C++ 2.0 bug?
Message-ID: <10531@cadnetix.COM>
Date: 12 Dec 89 22:15:37 GMT
Sender: news@cadnetix.COM
Reply-To: mitch@cadnetix.COM ()
Organization: Cadnetix Corp.,  Boulder, CO
Lines: 58


I am posting the following for a friend, who does not currently
have access to the net news, but will soon.  If anyone has any 
info/answers/comments on this, would you please EMAIL REPLIES
to me, as I do not read this newsgroup (so little time, too much
to do).  

================== Included Query Begins Here ==================

Will the following code compile on Sun's C++ compiler?  The compilers we have
here (ATT and Oregon Software) get the following error:

"foo.cxx", line 12: error: FOO ::~FOO () with return type

The Oregon Software compiler doesn't like the friend constructor either.
An easy, if sloppy, workaround is to make the entire class FOO a friend of
BAR.  Looking at the source for cfront, I found the following comment:

// define friends defined inline and modify return types if necessary

It would appear that they sometimes tweek the return types of friend
functions, not a nice thing to do if the function is not supposed to
have a return type, as is the case with destructors.  It is really 
too bad ATT wants all that money for support :(

We are supposed to get our fast modem before the end of the year but
until then could you pass this on to comp.lang.c++ to see if anyone
else knows about this?

Thanx.

----------- Code Sample - cut here ----------------


class FOO {
public:
        FOO() { };
        ~FOO() { };
};

class BAR {
public:
        friend FOO::FOO();
        friend FOO::~FOO();
};

===================== End of Included Query ===================

Thanks for your input.  Note that I tried this myself using Sun's
C++ 2.0 compiler, and (as I expected) got the same error message.
Responses can be emailed to me at the address listed below.

                                          -Mitch
                                          
   Mitch Black                UUCP:   ..!{uunet,boulder}!cadnetix!mitch
   Daisy/Cadnetix Corp.   Internet:   mitch@cadnetix.com
   5775 Flatiron Pkwy.
   Boulder, CO 80301         Voice:   (303) 444-8075