Earlier quoted context omitted.
> Doesn't this mean that either your methods won't be dynamically dispatched... The MSIL (.NET bytecode) for calling an extension method and a static method are exactly the same. So yes, it will not be dynamically dispatched. Specifically, it emits a "call" and not a "callvirt" instruction. However, the compiler will always prefer a class method over an extension method of the same signature. Meaning that extension m…
Perhaps what the parent is saying is that if you implement an extension method to IList, you can't subsequently implement an extension method to Array and expect it to be called on an Array stored in an IList variable? Which is true for exactly the reason you state.
Ah, yes. That would be true.