Re: ADL fails for friend functions...

From	Victor Bazarov <v.bazarov@comcast.invalid>
Newsgroups	comp.lang.c++
Subject	Re: ADL fails for friend functions...
Date	2011-11-02 12:34 -0400
Organization	A noiseless patient Spider
Message-ID	<j8rreq$toi$1@dont-email.me> (permalink)
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On 11/2/2011 10:28 AM, Werner wrote:
>[..]
> namespace n1{
> class X1
> {
>    friend void join( X1&, X1&  ){ }
> };
> }
> [..]
> I've deliberately not defined the friend outside. The question
> still stands - can you call join in any other way than by
> removing Y's join from the overload set?

This rule comes to mind: the name of a friend function defined in the 
class definition shall *not* be inserted into the namespace scope. 
Don't remember where in the Standard it is, or whether it has changed 
over the years...  But for some reason I seem to remember that it 
exists, and think that it applies here.

V
-- 
I do not respond to top-posted replies, please don't ask

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Thread

ADL fails for friend functions... Werner <werasm@gmail.com> - 2011-11-02 06:23 -0700
  Re: ADL fails for friend functions... Edek <edek.pienkowski@gmail.com> - 2011-11-02 14:40 +0100
    Re: ADL fails for friend functions... Werner <werasm@gmail.com> - 2011-11-02 07:28 -0700
      Re: ADL fails for friend functions... Edek <edek.pienkowski@gmail.com> - 2011-11-02 16:08 +0100
      Re: ADL fails for friend functions... Victor Bazarov <v.bazarov@comcast.invalid> - 2011-11-02 12:34 -0400

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