Re: [Boost-users] [has_xxx] How can it work at all???

From: John Maddock (john_at_[hidden])
Date: 2008-02-21 06:52:15

Ovanes Markarian wrote:
>> For me this will clearly fail, since T::xxx is not a type but an
>> integer member of the struct. If xxx would be a member function it
>> would not be a type as well, so has_xxx can only determine if there
>> is some nested class type or a typedef within the inspected type. Is
>> this correct?

As I understand it, this traits class is intended to identify nested types 
only - certainly that's the only use case I've used it for.

HTH, John.