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Posted to notifications@groovy.apache.org by "Stefanos Chaliasos (Jira)" <ji...@apache.org> on 2021/06/08 10:51:00 UTC

[jira] [Updated] (GROOVY-10129) Unable to use as a type argument a type parameter that extends an array type

     [ https://issues.apache.org/jira/browse/GROOVY-10129?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stefanos Chaliasos updated GROOVY-10129:
----------------------------------------
    Summary: Unable to use as a type argument a type parameter that extends an array type  (was: Unable to use as type argument a type parameter that extends an array type)

> Unable to use as a type argument a type parameter that extends an array type
> ----------------------------------------------------------------------------
>
>                 Key: GROOVY-10129
>                 URL: https://issues.apache.org/jira/browse/GROOVY-10129
>             Project: Groovy
>          Issue Type: Bug
>          Components: Static compilation, Static Type Checker
>    Affects Versions: 4.0.0-alpha-3
>            Reporter: Stefanos Chaliasos
>            Priority: Major
>
> I have the following Groovy program.
> {code:groovy}
> class A<T> {}
> class B {}
> @groovy.transform.TypeChecked
> class C<G extends B[]> extends A<G> {} // It works if G extends B
> {code}
> h2. Actual Behavior
> The program does not compile, and I get the following error.
> {code:java}
> org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
> Main.groovy: 8: unable to resolve class G
>  @ line 8, column 34.
>    class C<G extends B[]> extends A<G> {}
>                                     ^
> 1 error
> {code}
> h2. Expected Behavior
> Compile successfully.
> h2. Comment
> This should be a regression bug because it works with 3.0.8.
> h2. Affected Version
> This programs have been tested with the compiler from the master (commit: 8ea882a587ce3183c95ea1bc19dfc44367dc292e), and 4.0.0-alpha-3.



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