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dual dispatch at 4am

 
Greenhorn
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Anyone care to explain what dual dispatch is or give an example? (i.e. multimethods in Java)
From what I understand you can create an independent object, then send a method containing varying arg types. Then polymorphism magically selects an object/class with that set of arg types and responds accordingly? And that demonstrates dual dispatch.
Does that sound about right?
Examples would help (simple examples!)
Thanks.
Nate
 
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