>From: "Thorsten Ottosen" <[EMAIL PROTECTED]>
> just want to show you something I discovered
> (maybe you already know) which allows template functions to be specialized
> for a class without including its header; it does require that classes are
> changed internally,
> but I assume it will make compilation mucho faster. (another problem is
that
> I can only
> compile it with Comeau, neither GCC 3.2 or vc7 can eat it).
>
> Anyway, the example is quite straightforward:
>
> #include <iostream>
>
> using namespace std;
>
> template< typename C >
> void foo( const C& c )
> {
> foo_impl( c, C::tag() );
It appears typename is needed here:
foo_impl( c, typename C::tag());
since "tag" is a dependent type. This makes it still work on EDG (I've
tested it on Intel C++), and it works better on GCC 3.2, although now it
reports that it can't disambiguate the two overloaded function templates.
Regards,
Terje
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