Parameters declared as the alias of a template won't accept the arguments of the same type.

[Mike Parker]

On Sunday, 1 May 2022 at 12:39:08 UTC, Elfstone wrote:
>
> Great, I'm using the constraint, until it's fixed.
> Will it be fixed though? The DIP that Tejas linked is from 
> 2020!!!

The DIP was postponed. I can contact the author to see if he 
intends to pick it up again. If not, anyone interested can take 
it over. And anyone can submit an alternative at any time.