Restrictions of transparency
- Let r be a remote reference declared to reference objects of type R.
- R must be a pure type (i.e. without instance variables).
- R must be subtype of a generic remote type (Remote in RMI and NetObj.T
in Modula 3).
- Let C be the class implementing the concrete object
referenced by r.
- C must be a subtype of the generic remote type.
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