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synced 2026-09-18 09:34:34 +07:00
captured wildcards: don't open unpredictably, treat as type, not type argument (IDEA-148348)
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+20
@@ -0,0 +1,20 @@
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import java.util.Collection;
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interface C<K extends String> extends Collection<K> {}
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class Test {
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C<?> id;
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static <T extends CharSequence> T get(Collection<? extends T> id) {
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return null;
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}
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String getObj() {
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return get( id);
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}
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}
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+6
-6
@@ -4,40 +4,40 @@ abstract class A<T> {
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<K> void baz253(B<? super K, ?> a) {}
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abstract B<? super T, ? super T> foo253();
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void bar253(A<?> a) {
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baz253<error descr="'baz253(B<? super K,?>)' in 'A' cannot be applied to '(B<capture<? super capture<?>>,capture<? super capture<?>>>)'">(a.foo253())</error>;
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baz253(a.foo253());
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}
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<K> void baz255(B<? super K, ?> a) {}
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abstract B<? super T, ? super T> foo255();
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void bar255(A<? extends T> a) {
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baz255<error descr="'baz255(B<? super K,?>)' in 'A' cannot be applied to '(B<capture<? super capture<? extends T>>,capture<? super capture<? extends T>>>)'">(a.foo255())</error>;
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baz255(a.foo255());
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}
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<K> void baz256(B<? super K, ?> a) {}
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abstract B<? super T, ? extends T> foo256();
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void bar256(A<?> a) {
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baz256<error descr="'baz256(B<? super K,?>)' in 'A' cannot be applied to '(B<capture<? super capture<?>>,capture<? extends capture<?>>>)'">(a.foo256())</error>;
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baz256(a.foo256());
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}
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<K> void baz258(B<? super K, ?> a) {}
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abstract B<? super T, ? extends T> foo258();
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void bar258(A<? extends T> a) {
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baz258<error descr="'baz258(B<? super K,?>)' in 'A' cannot be applied to '(B<capture<? super capture<? extends T>>,capture<? extends T>>)'">(a.foo258())</error>;
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baz258(a.foo258());
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}
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<K> void baz259(B<? super K, ?> a) {}
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abstract B<? super T, ?> foo259();
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void bar259(A<?> a) {
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baz259<error descr="'baz259(B<? super K,?>)' in 'A' cannot be applied to '(B<capture<? super capture<?>>,capture<?>>)'">(a.foo259())</error>;
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baz259(a.foo259());
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}
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<K> void baz261(B<? super K, ?> a) {}
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abstract B<? super T, ?> foo261();
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void bar261(A<? extends T> a) {
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baz261<error descr="'baz261(B<? super K,?>)' in 'A' cannot be applied to '(B<capture<? super capture<? extends T>>,capture<?>>)'">(a.foo261())</error>;
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baz261(a.foo261());
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}
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}
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+2
-2
@@ -22,8 +22,8 @@ class TestIDEA128101 {
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construct(String.class, createPath(integerAttribute), createPath(stringAttribute));
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construct1(String.class, createPath<error descr="'createPath(TestIDEA128101.Attribute<Y>)' in 'TestIDEA128101' cannot be applied to '(TestIDEA128101.Attribute<java.lang.Integer>)'">(integerAttribute)</error>, createPath(stringAttribute));
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construct2(String.class, createPath(integerAttribute), createPath(stringAttribute));
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<error descr="Type parameter K has incompatible upper bounds: Integer and String">construct3(String.class, createPath(integerAttribute), createPath(stringAttribute));</error>
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<error descr="Type parameter K has incompatible upper bounds: Integer and String">construct4(String.class, createPath(integerAttribute), createPath(stringAttribute));</error>
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construct3<error descr="'construct3(java.lang.Class<java.lang.String>, TestIDEA128101.Path<? super K>...)' in 'TestIDEA128101' cannot be applied to '(java.lang.Class<java.lang.String>, TestIDEA128101.Path<java.lang.Integer>, TestIDEA128101.Path<java.lang.String>)'">(String.class, createPath(integerAttribute), createPath(stringAttribute))</error>;
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construct4<error descr="'construct4(java.lang.Class<java.lang.String>, TestIDEA128101.Path<? super K>, TestIDEA128101.Path<? super K>)' in 'TestIDEA128101' cannot be applied to '(java.lang.Class<java.lang.String>, TestIDEA128101.Path<java.lang.Integer>, TestIDEA128101.Path<java.lang.String>)'">(String.class, createPath(integerAttribute), createPath(stringAttribute))</error>;
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}
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}
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+1
-1
@@ -34,7 +34,7 @@ class Test1111 {
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}
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public void test(I<?> i) {
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bar<error descr="'bar(Test1111.I<? super A>)' in 'Test1111' cannot be applied to '(Test1111.I<capture<?>>)'">(i)</error>;
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bar(i);
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}
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public static <A> void bar(I<? super A> i) {}
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+1
-1
@@ -19,7 +19,7 @@ class Test {
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public static <T> BigDecimal add(Collection<T> objectsThatHaveBigDecimals, Function<T, ? extends BigDecimal> functionToGet) {
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return objectsThatHaveBigDecimals == null ? null : objectsThatHaveBigDecimals.stream().map(functionToGet).reduce(null, Test::add);
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return objectsThatHaveBigDecimals == null ? null : objectsThatHaveBigDecimals.stream().map(functionToGet).reduce(null, <error descr="Bad return type in method reference: cannot convert java.math.BigDecimal to ? extends java.math.BigDecimal">Test::add</error>);
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}
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public static BigDecimal add(BigDecimal... sequence) {
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