I stumbled upon this interesting code sample today <https di kotlinlang #announcements

I stumbled upon this interesting code sample today...

mzgreen

11/17/2019, 9:54 PM

I stumbled upon this interesting code sample today: https://discuss.kotlinlang.org/t/compound-extension/10722/41 Can anyone explain why does it behave like that?

Shawn A

11/17/2019, 10:02 PM

Is there a typo in this code sample?

Shawn A

11/17/2019, 10:02 PM

Copy code

open class B
class B1 : A()

Shawn A

11/17/2019, 10:02 PM

shouldn't that be

class B1 : B()

Shawn A

11/17/2019, 10:03 PM

If so, then the program fails with

Overload resolution ambiguity:

Fudge

11/17/2019, 11:44 PM

You probably meant to make B1 implement B. As it stands it implements A

Fudge

11/17/2019, 11:44 PM

So only the second overload is valid for the inputs

mzgreen

11/18/2019, 5:28 AM

It's not my code, I was just curious but you are right, thank you folks! :)