Perfect forwarding

[Jean-Louis Leroy]

On Sunday, 26 July 2020 at 02:10:19 UTC, Andrei Alexandrescu 
wrote:
> On 7/25/20 9:44 PM, Adam D. Ruppe wrote:
>> However I'm going to point out that my trick doesn't work if 
>> you are trying to forward a template, since template params 
>> cannot be introspected. As far as I know, there is no solution 
>> to that.
>
> That needs fixed. What primitives would you need for that?

I need it to support open method templates.