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test/langtools/tools/javac/lambda/MostSpecific05.java
28 строк
817 B
Archie L. Cobbs
8163229: several regression tests have a main method that is never executed
17 янв 2023, 07:43
17 янв 2023, 07:43
382fe51
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/* * @test /nodynamiccopyright/ * @bug 8003280 * @summary Add lambda tests * Structural most specific doesn't handle cases with wildcards in functional interfaces * @compile/fail/ref=MostSpecific05.out -XDrawDiagnostics MostSpecific05.java */ public class MostSpecific05 { interface ObjectConverter<T extends Object> { T map(Object o); } interface NumberConverter<T extends Number> { T map(Object o); } static class MyMapper<A extends Object, B extends Number> { void map(ObjectConverter<? extends A> m) { } void map(NumberConverter<? extends B> m) { } } public static void meth() { MyMapper<Number, Double> mm = new MyMapper<Number, Double>(); mm.map(e->1.0); //ambiguous - implicit mm.map((Object e)->1.0); //ok } }