WebSocket client API

[Pavel Rappo]

> On 21 Oct 2015, at 12:18, Simone Bordet <simone.bordet at 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?