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Posted to notifications@groovy.apache.org by "Eric Milles (Jira)" <ji...@apache.org> on 2021/10/30 19:00:00 UTC

[jira] [Assigned] (GROOVY-10310) STC is unable to call parameterized function

     [ https://issues.apache.org/jira/browse/GROOVY-10310?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eric Milles reassigned GROOVY-10310:
------------------------------------

    Assignee: Eric Milles

> STC is unable to call parameterized function
> --------------------------------------------
>
>                 Key: GROOVY-10310
>                 URL: https://issues.apache.org/jira/browse/GROOVY-10310
>             Project: Groovy
>          Issue Type: Bug
>          Components: Static Type Checker
>            Reporter: Thodoris Sotiropoulos
>            Assignee: Eric Milles
>            Priority: Major
>
> I have the following program
> {code:java}
> class A<T> {
>   T f;
>   A(T f) {
>     this.f = f;
>   }
>   A() {}
> }
> class B<T> {}
> class Test {
>   static <T> A<T> test(T x, B<? extends T> z) {
>     return new A<>(x);
>   }
>   public static void main(String[] args) {
>     var d = "d";
>     test(d, new B<>());
>   }
> }
> {code}
> h3. Actual behaviour
> {code}
> org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
> test.groovy: 20: [Static type checking] - Cannot call <T> Test#test(T, B<? extends java.lang.Object>) with arguments [java.lang.String, B<java.lang.Object extends T>]
>  @ line 20, column 5.
>        test(d, new B<>());
>        ^
> 1 error
> {code}
> h3. Expected behaviour
> Compile successfully
> Tested against master



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