Could we reserve void[T] for builtin set of T ?

[Dejan Lekic via Digitalmars-d]

On Thursday, 31 March 2016 at 19:24:14 UTC, deadalnix wrote:
> Pretty much as per title. I has that in the back of my mind for 
> a while. Would that work ?

I am not sure about that... I would rather have a completely new 
type (`set`) for this purpose.