It doesn't?

x?.toString()

can return

null

,

x.toString where x:Any?

will return

"null"

instead.

You misunderstood. There is a defined

fun Any?.toString(): String

in the standard library

Yes, that's my second example.

Yes, and @Dias was referring to the definition

Any?.toString()

, not to the call

x?.toString()

Hmm, I guess I see what he means. I meant the

?.

at the callsite 😒imple_smile:

Indeed. I think this distinction between definition and call site is more confusing than the returned value 🙂

Agreed!