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From: sdm@cs.brown.edu (Scott Meyers)
Newsgroups: comp.lang.c++
Subject: Re: Friends and Overloading
Message-ID: <59833@brunix.UUCP>
Date: 18 Dec 90 18:22:50 GMT
References: <1655@rose.ACA.MCC.COM>
Sender: news@brunix.UUCP
Reply-To: sdm@cs.brown.edu (Scott Meyers)
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Organization: Brown University Department of Computer Science
Lines: 33

In article <1655@rose.ACA.MCC.COM> juan@radar.UUCP () writes:
| In order to 'copy' each class to the other, I created a friend
| function for operator= for each permutation, (varray,varray),
| (varray,farray), (farray,varray), and (farray,farray).
| 
| class farray
| {
|   // some stuff
| public:
|   void friend operator=(farray,varray);
|   // more stuff
| }
| 
| void operator=(farray,array)
| {
|   // some code
| }

You can't write a global operator= function;  it must be a member function.
See ARM, p. 334.  

Just out of curiousity, what compiler let you get away with that?  cfront
2.0 and 2.1 reject it as anachronistic, although g++ seems to think it's
okay...


Scott



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