jdk-24/test/langtools/tools/javac/lambda/MostSpecific04.java
2023-01-17 04:43:40 +00:00

29 lines
724 B
Java

/*
* @test /nodynamiccopyright/
* @bug 8003280
* @summary Add lambda tests
* Structural most specific doesn't handle cases with wildcards in functional interfaces
* @compile/fail/ref=MostSpecific04.out -XDrawDiagnostics MostSpecific04.java
*/
public class MostSpecific04 {
interface DoubleMapper<T> {
double map(T t);
}
interface LongMapper<T> {
long map(T t);
}
static class MyList<E> {
void map(DoubleMapper<? super E> m) { }
void map(LongMapper<? super E> m) { }
}
public static void meth() {
MyList<String> ls = new MyList<String>();
ls.map(e->e.length()); //ambiguous - implicit
ls.map((String e)->e.length()); //ok
}
}