Checking a (base) type and accepting any specialization?

[Andy Valencia]

On Sunday, 8 June 2025 at 14:29:27 UTC, mitgedanken wrote:
> I understand why the given types are not compatible.
> But not how I can store any base type regardless its 
> specialization.

I know OO is mostly looked down upon, but if you have a common 
root class and each subclass specializes, you can have a variable 
of the root class' type and it'll store pointers to either.

Andy