Multiple alias this is coming.

["Nordlöw" via Digitalmars-d-announce]

On Thursday, 18 September 2014 at 11:20:49 UTC, IgorStepanov 
wrote:
> I've created pull request, which introduces multiple alias this.
> https://github.com/D-Programming-Language/dmd/pull/3998
> Please see the additional tests and comment it.

Exciting!

What more good things than a better behaving Nullable(T) with T 
being a polymorphic class will this enable?