Asssociative Array by Key-Value-Pair

["Nordlöw" via Digitalmars-d-learn]

On Tuesday, 16 December 2014 at 16:08:09 UTC, Steven 
Schveighoffer wrote:
> I can never ever see a reason to implement 2 different ways to 
> traverse the elements, just to piss off people?
>
> If you make a PR that adds that to documentation, I will pull 
> it if it makes you feel better. I don't think it hurts, but 
> don't think it's worth my time to make such a PR.
>
> -Steve

I can do PR for adding

https://github.com/nordlow/justd/blob/master/range_ex.d#L527

to Phobos.

Were should I put it/them?