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lambda: check more specific method based on lambda return types with wildcards

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anna
2013-02-27 18:03:31 +01:00
parent 329607d9eb
commit 47c7983713
4 changed files with 35 additions and 4 deletions
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java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/highlighting/AmbiguityReturnValueResolution2.java
+27
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@@ -0,0 +1,27 @@
public class Test<A, B extends Number> {
interface IO<T> {
T _(Object o);
}
interface IN<T extends Number> {
T _(Object o);
}
private void foo(IO<? extends A> <warning descr="Parameter 'p' is never used">p</warning>) {}
private void <warning descr="Private method 'foo(Test.IN<? extends B>)' is never used">foo</warning>(IN<? extends B> <warning descr="Parameter 'p' is never used">p</warning>) {}
private static class Inner<A extends Object, B extends Number> {
private void <warning descr="Private method 'm8(Test.IO<? extends A>)' is never used">m8</warning>(IO<? extends A> <warning descr="Parameter 'p' is never used">p</warning>) {}
private void m8(IN<? extends B> <warning descr="Parameter 'p' is never used">p</warning>) {}
}
public static void main(String[] args) {
Inner<Number, Double> inn = new Inner<>();
inn.m8(p -> 1.0);
new Test<Number, Integer>().foo(p -> 1.0);
}
}