Alexander Udalov
dcbb8045bd
The implementation is a bit obscure because this worked on JS since Kotlin 1.0 and we should not break that; however, on JVM, a diagnostic will be reported with old language/API version #KT-25241 Fixed
60 lines
2.1 KiB
Kotlin
Vendored
60 lines
2.1 KiB
Kotlin
Vendored
// !LANGUAGE: +FunctionTypesWithBigArity
|
|
// WITH_RUNTIME
|
|
// TARGET_BACKEND: JVM
|
|
// FILE: J.java
|
|
|
|
// import kotlin.jvm.functions.Arity;
|
|
import kotlin.jvm.functions.FunctionN;
|
|
|
|
public class J {
|
|
// TODO: uncomment arity as soon as Arity is introduced
|
|
// @Arity(30)
|
|
public static final FunctionN<String> FIELD = new FunctionN<String>() {
|
|
@Override
|
|
public String invoke(Object... args) {
|
|
return "OK";
|
|
}
|
|
|
|
@Override
|
|
public int getArity() {
|
|
return 30;
|
|
}
|
|
};
|
|
|
|
// TODO: uncomment arity as soon as Arity is introduced
|
|
// @Arity(30)
|
|
public static FunctionN<String> getViaMethod() {
|
|
return FIELD;
|
|
}
|
|
}
|
|
|
|
// FILE: K.kt
|
|
|
|
class A
|
|
|
|
fun call(f: (A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A) -> String): String {
|
|
val a = A()
|
|
return f(a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a)
|
|
}
|
|
|
|
fun box(): String {
|
|
val f = J.FIELD as Function30<
|
|
Any?, Any?, Any?, Any?, Any?, Any?, Any?, Any?, Any?, Any?,
|
|
Any?, Any?, Any?, Any?, Any?, Any?, Any?, Any?, Any?, Any?,
|
|
Any?, Any?, Any?, Any?, Any?, Any?, Any?, Any?, Any?, Any?,
|
|
String>
|
|
if (f !is Function30<*, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *>) return "Fail field 30"
|
|
if (f is Function31<*, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *>) return "Fail field 31"
|
|
if (call(f) != "OK") return "Fail field call"
|
|
|
|
val m = J.getViaMethod() as Function30<
|
|
Any?, Any?, Any?, Any?, Any?, Any?, Any?, Any?, Any?, Any?,
|
|
Any?, Any?, Any?, Any?, Any?, Any?, Any?, Any?, Any?, Any?,
|
|
Any?, Any?, Any?, Any?, Any?, Any?, Any?, Any?, Any?, Any?,
|
|
String>
|
|
if (m !is Function30<*, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *>) return "Fail method 30"
|
|
if (m is Function31<*, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *>) return "Fail method 31"
|
|
|
|
return call(m)
|
|
}
|