Re: [boost] type_traits proposal

From: Peter Dimov (pdimov_at_[hidden])
Date: 2002-01-12 07:16:30

From: "John Maddock" <John_Maddock_at_[hidden]>
> >Here's another one we need:
> >
> >  has_common_base_class<T,U>::value
>
> And the implementation is?

I don't think there is one. ;-)

I have an implementation of common_base_of<T, U>::type that requires type
registration, though. It uses functions of the form

T helper(T *, T *);

and then returns typeof(helper(T *, U *)) (using Bill Gibbons' typeof
emulation.)

--
Peter Dimov
Multi Media Ltd.