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cast conversion applicable for wildcard vs type parameter if bounds agree (IDEA-75628)

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Anna Kozlova
2015-02-20 19:46:49 +01:00
parent 66e83ed9ae
commit a7efd33b2b
3 changed files with 29 additions and 1 deletions
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java/java-tests/testData/codeInsight/daemonCodeAnalyzer/genericsHighlighting/TypeDistinctProverForWildcardAndTypeParameter.java
+18
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@@ -0,0 +1,18 @@
abstract class Test {
interface Selection<A> {}
interface CriteriaQuery<T> {
void select(Selection<? extends T> selection);
}
private <N> void foo(CriteriaQuery<N> criteria, Selection<String[]> array) {
criteria.select((Selection<? extends N>)array);
}
private <N extends Integer> void foo1(CriteriaQuery<N> criteria, Selection<String[]> array) {
criteria.select(<error descr="Inconvertible types; cannot cast 'Test.Selection<java.lang.String[]>' to 'Test.Selection<? extends N>'">(Selection<? extends N>)array</error>);
}
private <N extends Integer> void foo2(CriteriaQuery<N> criteria, Selection<Object> array) {
criteria.select(<error descr="Inconvertible types; cannot cast 'Test.Selection<java.lang.Object>' to 'Test.Selection<? extends N>'">(Selection<? extends N>)array</error>);
}
}