Resolve target: value-parameter val p: kotlin.String? ---------------------------------------------- open class C(p: Int) { open fun f(){} } fun foo(p: String?) { val o = object : Runnable { override fun run() { if (p == null) return print(p.size) } } val c = object : C(p!!.size) { override fun f() { super.f() if (p == null) return print(p.size) } } p?.size }