rvalues -> ref (yup... again!)

[Timon Gehr]

On 27.03.2018 20:14, Manu wrote:
> That's exactly what I've been saying. For like, 9 years..
> It looks like this:
> https://github.com/TurkeyMan/DIPs/blob/ref_args/DIPs/DIP1xxx-rval_to_ref.md
>   (contribution appreciated)
> 
> As far as I can tell, it's completely benign, it just eliminates the
> annoying edge cases when interacting with functions that take
> arguments by ref. There's no spill-over affect anywhere that I'm aware
> of, and if you can find a single wart, I definitely want to know about
> it.

???

> I've asked so many times for a technical destruction, nobody will
> present any opposition that is anything other than a rejection *in
> principle*. This is a holy war, not a technical one.

That's extremely unfair. It is just a bad idea to overload D const for 
this purpose. Remove the "const" requirement and I'm on board.