Perfect forwarding

[Adam D. Ruppe]

On Thursday, 30 July 2020 at 04:56:55 UTC, Petar Kirov 
[ZombineDev] wrote:
> My point, that you can't do much useful processing with 
> `__parameters` (except pass all of subset of it), still stands.

Yeah, I agree it is hard to do a substitution there. The foo... 
static map proposal a little while ago Manu wrote about is 
potentially exciting because it enables a lot of new cases, and I 
think this is another example.