Interfaces allow member definitions?

[Frustrated]

On Thursday, 30 January 2014 at 15:18:12 UTC, John Chapman wrote:
> On Thursday, 30 January 2014 at 14:31:05 UTC, Frustrated wrote:
>> I'm not asking about a work around but if what I am talking 
>> about
>> can actually be done(does the vtable support this or can made 
>> to
>> support it?)
>
> It would work if you changed the interface to an abstract class.

But then you break the whole usage of interfaces. (multiple
inheritance issue)