Templated Interfaces?

[Benji Smith]

Jarrett Billingsley wrote:
> "Jason House" <jason.james.house at gmail.com> wrote in message 
> news:g8sioq$6ul$1 at digitalmars.com...
> 
>> whoa, that's a bad idea!
>>
>> You can not implicitly cast back and forth between interfaces and classes
>> that implement those interfaces; the underlying pointer is not the same.
>> There was a big discussion about this fairly recently on one of the D
>> mailing lists...
> 
> No, what he's doing is OK.  The trouble only occurs when you try to cast 
> *the array* up or down the inheritance hierarchy. 

Yeah, with the code I'm currently working on, once the objects are in 
the array, I never again care what the specific class is for each 
instance, since I'll only be calling the interface methods.

--benji