Parameter pack expansion

[Tomas]

On Thursday, 30 May 2019 at 20:55:00 UTC, Q. Schroll wrote:
> If it would be implemented, you could place your parameter pack 
> into a Tuple-like structure with an opDispatch that returns 
> such a Tuple again, but the contents would be the member 
> components "projection" to the member. It's doable[2], but the 
> lack of indexing the pack is the main blocker.
>
>  ...
>
> [1] https://github.com/dlang/DIPs/pull/155
> [2] https://run.dlang.io/is/tIxmQS

Thanks! Sounds interesting, but right now it is a bit over my 
head. It will take me some time digest it.