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https://issues.apache.org/jira/browse/GROOVY-10283?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul King closed GROOVY-10283.
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> Cannot assign type parameter whose bound is a parameterized type that takes a
> wildcard
> --------------------------------------------------------------------------------------
>
> Key: GROOVY-10283
> URL: https://issues.apache.org/jira/browse/GROOVY-10283
> Project: Groovy
> Issue Type: Bug
> Components: Static Type Checker
> Reporter: Thodoris Sotiropoulos
> Assignee: Eric Milles
> Priority: Major
> Fix For: 4.0.0-beta-2
>
>
> I have the following program
> {code:java}
> class A<T1, T2> {}
> class B<T1 extends Number, T2 extends A<C, ? extends T1>> {
> T2 f;
> B(T2 f) {
> this.f = f;
> }
> }
> class C {}
> {code}
> h3. Actual behavior
> {code}
> org.codehaus.groovy.control.MultipleCompilationErrorsException: startup
> failed:
> test.groovy: 7: [Static type checking] - Cannot assign value of type A<C, ?
> extends java.lang.Number<T1 extends java.lang.Number>> to variable of type T2
> @ line 7, column 15.
> this.f = f;
> ^
> 1 error
> {code}
> h3. Expected behavior
> Compile successfully
> Tested against master
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