On 12/29/17 7:03 AM, Mike Franklin wrote:
Is that simply because it hasn't been implemented or suggested yet for
D, or was there a deliberate design decision?
It was deliberate, but nothing says it can't actually be done. All an
interface call is, is a thunk to grab the actual object, and then a call
to the appropriate function from a static vtable. It's pretty doable to
make a fake interface. In fact, I'm pretty sure someone did just this, I
have no idea how far back in the forums to search, but you can probably
find it.
Now, it would be nicer if the language itself supported it. And I don't
see any reason why it couldn't be supported. The only issue I think
could be an ABI difference between member calls of structs and classes,
but I think they are the same.
-Steve
