From: Tobias Schwinger (tschwinger_at_[hidden])
Date: 2007-05-22 18:06:15
Doug Gregor wrote:
> On May 21, 2007, at 4:20 PM, Tobias Schwinger wrote:
>>
>> What is decltype(an_int()) or decltype(non_callable()), then? No
>> compile
>> error?!
>
> An error.
Thanks. The opposite would've surprised me...
>> And isn't result_of working around a problem elsewhere in the language
>> (namely the non-lazy instantiation of the nullary call operator), in
>> fact making the switch to a decltype-based implementation harder?
>
> As Peter noted, we'll also be using variadic templates, e.g.,
> template<typename T>
> struct reference_wrapper {
> T* ptr;
>
> template<typename... Args>
> typename result_of<T(Args&&...)>::type
> operator()(Args&&... args);
> };
Wow! Those three features are certainly something to look forward to. I
have to try your modified GCC, it seems...
Regards,
Tobias