> 
> I wonder what is the goal of this excercise?

Probably futile, but oldk's TypePackage is so simple, elegant.
BTW I've read your comment on this ... no objections ;)

> 
> BTW: Both in Spad and in interpreter overload resolution
> takes into account target type.  So for expressions anwer
> depends on how you ask the question...
> 
> BTW2: The desion goal of FriCAS typesystem was that anwer to
> questions like 'sameType?' should be mostly statically known,
> without need for runtime tests (I write "mostly" because
> Union-s require some testing).
> 

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