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by anon180719
2879 days ago
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It appears the correct action would have been to use <code>override func greet() {
print("sup")
}</code>. To be fair, I was primed to really think about the code execution given he'd indicated there was a trap in there somewhere, so it certainly would not have been immediately obvious on first glance. But I think, generally developers understand that <code>override</code> is necessary to override code from a parent class. Typically XCode helps out with this sort of thing – adding <code>override</code> where it seems like it should be added – but perhaps not when a parent class is using a default protocol implementation. But again, in this scenario where a class is inheriting from another class, it's typically known you need to override the function in order to use your own implementation, so this does seem a bit contrived. |
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That actually doesn't work because the greet function is implemented on an extension. You can only override class functions.