Argumnentation against external function operator overloading is unconvincing

[Ilya Yaroshenko via Digitalmars-d]

On Wednesday, 21 September 2016 at 17:57:17 UTC, HaraldZealot 
wrote:
> In current D, overloading operator like "+" with external 
> function is prohibited. There is the rationale [1] (see second 
> paragraph).
>
> [...]

I am completely agree. We should support external operator 
overloading for ndslice extension. - Ilya