Dmitriy Novozhilov
21 lines
516 B
Kotlin
Vendored
21 lines
516 B
Kotlin
Vendored
data class SomeObject(val n: SomeObject?) {
|
|
fun doSomething(): Boolean = true
|
|
fun next(): SomeObject? = n
|
|
}
|
|
|
|
|
|
fun list(start: SomeObject) {
|
|
var e: SomeObject?
|
|
e = start
|
|
// This comparison is senseless
|
|
while (e != null) {
|
|
// Smart cast because of the loop condition
|
|
if (!e.doSomething())
|
|
break
|
|
// We still have smart cast here despite of a break
|
|
e = e.next()
|
|
}
|
|
// e can be null because of next()
|
|
e<!UNSAFE_CALL!>.<!>doSomething()
|
|
}
|