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by wool_gather
2873 days ago
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Classes do get dynamic dispatch at least for methods/properties that can be overridden (i.e., `open`). I believe the value must also still have a reference to its class's method impls -- otherwise what happens when you cast it `if let noReallyLazyGreeter = lazyGreeter as? LazyGreeter {`? Not certain about these details, though. |
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