> On 21 Oct 2015, at 12:18, Simone Bordet <simone.bor...@gmail.com> wrote: > > Speaking of analogies, it's pretty common to implement Publisher *and* > Subscription in the same class when you can only have one listener, > which is exactly the WebSocket case.
Well, maybe, I don't know. But implementing interfaces A and B with the same class C doesn't magically bring B's methods into A, does it?