[Patch] Use variadic templates for tr1::is_function

[Doug Gregor]

On Apr 10, 2007, at 4:14 PM, Paolo Carlini wrote:

> Doug Gregor wrote:
>> So, we end up stripping off the argument types (_Argtypes...) that  
>> are passed to the _Functor, and only _Functor gets passed on to  
>> _Weak_result_type_impl.
> Ok, but _Functor can't be a function type, only a pointer to  
> function, etc., and that specific specialization in my previous  
> message matches plain functions, or?

D'oh! Yes, you're right, of course.

	- Doug