From: Peter Dimov (pdimov_at_[hidden])
Date: 2007-06-15 15:01:36
Tobias Schwinger wrote:
> Peter Dimov wrote:
...
>> Why is there a need to detect a default constructor?
>
> (I probably snipped away too much context...)
>
> A generic function object that constructs an arbitrary type would have
> to know (unless having variadic templates, or being able to define
> operator() as a nonmember function template).
Umm. Why?