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type equality constraint: reject type/wildcard pairs; subtyping constraint: become eq constraint for types

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This commit is contained in:
Anna Kozlova
2014-01-31 21:41:19 +04:00
parent 948e76acf5
commit be84252e83
5 changed files with 87 additions and 41 deletions
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java/java-tests/testData/codeInsight/daemonCodeAnalyzer/genericsHighlighting8/IDEA57439.java
+4 -4
View File
@@ -18,14 +18,14 @@ class B<T> extends A<A<T>> {
foo2(s);
foo3<error descr="'foo3(A<A<?>>)' in 'B' cannot be applied to '(B<capture<?>>)'">(b)</error>;
foo3<error descr="'foo3(A<A<? extends java.lang.String>>)' in 'B' cannot be applied to '(B<capture<? extends java.lang.String>>)'">(eb)</error>;
foo3<error descr="'foo3(A<A<?>>)' in 'B' cannot be applied to '(B<capture<? extends java.lang.String>>)'">(eb)</error>;
foo3<error descr="'foo3(A<A<?>>)' in 'B' cannot be applied to '(B<capture<? super java.lang.String>>)'">(sb)</error>;
foo3<error descr="'foo3(A<A<? extends java.lang.String>>)' in 'B' cannot be applied to '(B<java.lang.String>)'">(s)</error>;
foo3<error descr="'foo3(A<A<?>>)' in 'B' cannot be applied to '(B<java.lang.String>)'">(s)</error>;
foo4<error descr="'foo4(A<A<? super java.lang.Object>>)' in 'B' cannot be applied to '(B<capture<?>>)'">(b)</error>;
foo4<error descr="'foo4(A<A<? super java.lang.Object>>)' in 'B' cannot be applied to '(B<capture<? extends java.lang.String>>)'">(eb)</error>;
foo4<error descr="'foo4(A<A<? super java.lang.String>>)' in 'B' cannot be applied to '(B<capture<? super java.lang.String>>)'">(sb)</error>;
foo4<error descr="'foo4(A<A<? super java.lang.String>>)' in 'B' cannot be applied to '(B<java.lang.String>)'">(s)</error>;
foo4<error descr="'foo4(A<A<? super java.lang.Object>>)' in 'B' cannot be applied to '(B<capture<? super java.lang.String>>)'">(sb)</error>;
foo4<error descr="'foo4(A<A<? super java.lang.Object>>)' in 'B' cannot be applied to '(B<java.lang.String>)'">(s)</error>;
foo5(b);
foo5(eb);
java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/constraints/SubtypingExtendsSuper.java
+22
View File
@@ -0,0 +1,22 @@
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
public class Sample {
static List<String> getList(Function<Object, String> function, ArrayList<? super String> objects) {
return transform(objects, new ArrayList<String>(), function);
}
static <R, S, T extends Collection<S>> T transform(Iterable<? extends R> oldCollection,
T newCollection,
Function<R, S> function) {
return newCollection;
}
interface Function<X, Y> {
Y apply(X input);
}
}