Files

16 lines
293 B
Kotlin
Vendored

open class Base
class Derived: Base()
fun bar(derived: Derived) = derived
fun trans(n: Int, f: (Int) -> Boolean) = if (f(n)) n else null
fun foo() {
val base: Base = Derived()
if (base is Derived) {
fun can(n: Int) = n > 0
trans(42, ::can)
bar(base)
}
}