Re: A simple sample code involving templates, friends and lookup

["Richard Guenther" <richard.guenther@gmail.com>]

On Jan 17, 2008 11:44 AM, Dragan Milenkovic <dragan@plusplus.co.yu> wrote:
> Hello,
>
> I'm aware about these issues being around for quite a while now, but
> there is still a chance this sample code can be helpful. I apologize
> if someone gets annoyed :-P
>
>
> template <typename T>
> struct Foo
> {
>      template <typename Z>
>      friend void func(const Foo &);
> };
>
> void check(const Foo<int> & x)
> {
>      // Foo<int> weird;  // uncomment this line and all works
>
>      func<int>(x);    // <-- ERROR
> }
>
>
> Tested with gcc 4.0 - 4.3, and all behave the same:
>
> "error: 'func' was not declared in this scope"
>
> but it works if you uncomment the weird line.

Actually even with the weird line the program is invalid.  What are
you trying to do? ;)

Richard.