When replacing if's w/sub-type polymorphism, the if's don't disappear; they move to a factory or similar. Correct? http://alisnic.github.com/posts/ifless/
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@andrewfnewman@dibblego There still has to be switch logic somewhere to new up correct instance. It's not if-less, it's if-moved.
@davetchepak @andrewfnewman Moving switch/if to ad hoc polymorphism was discovered in the 1930s by A. Church. It is equivalent in power.
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@dibblego ad hoc or sub-type? I thought ad hoc was to do with method overloading?Thanks. Twitter will use this to make your timeline better. UndoUndo
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