| // WITH_STDLIB | |
| fun <T> List<T>.foo(): T { | |
| return this[0] | |
| } | |
| fun good(onBack: () -> Any?) { | |
| onBack() | |
| } | |
| fun bad(onBack: () -> Unit) { | |
| onBack() | |
| } | |
| fun box(): String { | |
| val j = listOf("a", "b") | |
| good(onBack = j::foo) | |
| val l = listOf("a", "b") | |
| bad(onBack = l::foo) | |
| return "OK" | |
| } |