[R] S4 class slot type S4 class

[Glenn Schultz]

All,

I am considering creating an S4 class whose slots (2) are both S4 classes.  Since an S4 slot can be an S3 class I figure this can be done.  However, the correct syntax of which I am unsure.  Reviewing the docs I have come to the following conclusion:

SetClass('myfoo',
                  slots = (foo1, foo2))

Without a type I believe each slot is .Data.  A get method on the above class slots would return say foo1 which will have all methods and generics belonging to foo1 class.  Is this the correct approach?

Best,
Glenn