fun box(): String = | |
g(arrayOf("O")) | |
fun g(x: Array<String>?): String = | |
x.orEmpty0().f { it + "K" } | |
inline fun <T> Array<out T>.f(lambda: (T) -> T): T = | |
lambda(this[0]) | |
inline fun <reified T> Array<out T>?.orEmpty0(): Array<out T> = | |
this ?: (arrayOfNulls<T>(0) as Array<T>) |