Any way to tell if an object is inside another class?

[Ruby The Roobster]

On Monday, 28 September 2020 at 14:22:34 UTC, Ruby The Roobster 
wrote:
> I meant User Defined types. not UDAs. Anyways, the whole thing 
> is me trying to find a hacky workaround that allows something 
> similar to multiple alias this declarations(because multiple of 
> these are not possible). And for this, I have to determine if a 
> normal number is being passed, or if an user defined type is 
> being passed through the parameter.

I mean type, not number