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Representation, not delegation or inheritance (Score:1)
In a perfect Perl 6 world you'd implement an ORM not as a inheritance or delegation, but by providing a different low-level representation, which manages storage to a db.
The object doesn't have to be aware that it's stored, you just have to provide a constructor that allows injecting of a different representation.
Sadly Rakudo doesn't implement representation polymorphism yet, SMOP might do it already
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