Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!cs.utexas.edu!ut-emx!nowhere!sking
From: sking@nowhere.uucp (Steven King)
Newsgroups: comp.lang.c++
Subject: Re: friend operator +(l,r) vs. operator +(r) ( oops! )
Message-ID: <1990Nov30.050449.2570@nowhere.uucp>
Date: 30 Nov 90 05:04:49 GMT
Organization: nowhere
Lines: 35

In article <1990Nov29.023619.29838@nowhere.uucp> I wrote:

>   Various people have responded to various aspects of the original post; I
> think it is worth pointing out that under Cfront, for binary operators
> returning an instance of a class, one can put the body of the actual
> function in the corresponding assignment operator and define the binary
> operator as an inline that creates a temporary and assigns it the value
> of one of the binary args, then applies the assignment operator against
> the temporary and the remaining binary arg, returning the temporary.
>   This DOES NOT result in a dangling reference, even if the translator can
> not inline the expression. ie.,
>

   the line 

>	inline friend point &operator + ( point &, point & );

   should read

	inline friend point operator + ( point &, point & ) ;

   and the reason I couldnt find anything in the ARM, etc., is that I was
 completely confused about what was going on. time to crawl back under
 my rock.... 


   merely trying to live up to my .signature    \
                                                |
                                                v

-- 
 sking@nowhere			      | better to remain unseen 
..!cs.utexas.edu!ut-emx!nowhere!sking |    and be thought a fool
				      |       than to post 
				      |          and remove all doubt...