Yes, looks like smart cast only works when it need...

# announcements

[orangy]

Yes, looks like smart cast only works when it needs to check conversion to String, but not when inferring. If you write it like this:

val f = { it:Any?->
        when (it) {
            is String -> it
            else -> throw RuntimeException()
        }
    }

It infers f as (Any?)->Any?