static opSlice is not possible

[Adam D. Ruppe]

On Thursday, 15 February 2018 at 23:20:42 UTC, Jonathan M Davis 
wrote:
> The only overloaded operator that I'd expect to work as static 
> would be opCall, which I expect works primarily because of 
> functors but is useful for factory functions as well.

static opCall is kinda weird in practice and frequently conflicts 
with non-static opCall as well as constructors. I don't suggest 
anyone try to use it (and in fact, I'd like to have it removed 
from the language)