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  • Semantics of subtyping value types

    ORM2 allows subtyping of value types but what are the semantics of this, is it subset semantics or coercion semantics? Hence, if I specify that a value type A is a subtype of value type B, does this constitutes that values of A are a "subset" of values of B, or that there exists a unique function to convert values of ...
    Posted to ORM Techniques (Forum) by Robert Schmaal on Wed, Jun 1 2011
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