Subtyping for Object Type Constructors

  title={Subtyping for Object Type Constructors},
  author={Dominic Duggan and Adriana B. Compagnoni},
Object type constructors have been introduced as an approach to adding container object types to a language with type inference. Useful subtyping for object type constructors requires a flexible subtype rule for type construc tors that is not simply the pointwise extension of subtyping for types. At the same time, subtyping should avoid requiring run-time type checks, as in the Java subtype rule for arrays. An extension of object type constructors is considered to allow this subtyping… CONTINUE READING
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