Svetlana Isakova
8a4afb9330
(temporary while there is no common constraint system and its resolution)
70 lines
1.4 KiB
Kotlin
70 lines
1.4 KiB
Kotlin
package a
|
|
|
|
trait A
|
|
|
|
fun <T> emptyList(): List<T> = throw Exception()
|
|
|
|
fun test1() {
|
|
<!TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>emptyList<!>()
|
|
}
|
|
|
|
//--------------
|
|
|
|
fun <T: A> emptyListOfA(): List<T> = throw Exception()
|
|
|
|
fun test2() {
|
|
<!TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>emptyListOfA<!>()
|
|
}
|
|
|
|
//--------------
|
|
|
|
fun <T: A, R: T> emptyStrangeMap(): Map<T, R> = throw Exception()
|
|
|
|
fun test3() {
|
|
<!TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>emptyStrangeMap<!>()
|
|
}
|
|
|
|
//--------------
|
|
|
|
fun <T, R: T> emptyStrangeMap1(t: T): Map<T, R> = throw Exception("$t")
|
|
|
|
fun test4() {
|
|
//todo we may infer 'Int' for 'R' here
|
|
<!TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>emptyStrangeMap1<!>(1)
|
|
}
|
|
|
|
//--------------
|
|
|
|
fun <T: A, R: T> emptyStrangeMap2(t: T): Map<T, R> where R: A = throw Exception("$t")
|
|
|
|
fun test5(a: A) {
|
|
//todo we may infer 'A' for 'R' here
|
|
<!TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>emptyStrangeMap2<!>(a)
|
|
}
|
|
|
|
//--------------
|
|
|
|
fun <T: A, R: T> emptyStrangeMap3(r: R): Map<T, R> = throw Exception("$r")
|
|
|
|
fun test6(a: A) {
|
|
emptyStrangeMap3(a)
|
|
}
|
|
|
|
//--------------
|
|
|
|
fun <T, R: T> emptyStrangeMap4(l: MutableList<T>): Map<T, R> = throw Exception("$l")
|
|
|
|
fun test7(list: MutableList<Int>) {
|
|
emptyStrangeMap4(list)
|
|
}
|
|
|
|
//--------------
|
|
|
|
fun test7() : Map<A, A> = emptyStrangeMap()
|
|
|
|
//--------------
|
|
|
|
fun <U, V: U> foo(): U = throw Exception()
|
|
|
|
fun test8(): Int = foo()
|