NightOwl888 commented on pull request #345:
URL: https://github.com/apache/lucenenet/pull/345#issuecomment-696844345
Interesting. I suspect they wouldn't produce the same IL if the type in the
comparison had the `!=` operator overloaded - then it may produce very
different results, and in fact depending on the implementation it might not
produce expected results. `is` is safer because it doesn't take the operator
overloads into account.
That said, I am on board with elad in that using `== object` is not very
intuitive for a `null` check. I prefer:
```c#
public static void A(IMyInterface c) {
if(!(c is null) && c is MyClass cc) {
Console.WriteLine(cc.GetType());
}
}
```
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