``` Kotlin Actual.kt import platform.Foundation.N...
# kotlin-native
y
Copy code
Kotlin  Actual.kt
import platform.Foundation.NSString
import platform.Foundation.initWithFormat

fun createNSString() {
    val s = NSString().initWithFormat("test %s", "test 2")
}

fun crashMe() {
    val i: Int? = null
    print("${i!!}")
}

Swift
ActualKt.createNSString()   // crashed by NSInvalidArguments
ActualKt.crashMe()              // crashed by Kotlin.NullPointerException (RuntimeExeption)