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https://issues.apache.org/jira/browse/GROOVY-11521?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18133821#comment-18133821
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ASF GitHub Bot commented on GROOVY-11521:
-----------------------------------------
daniellansun opened a new pull request, #3074:
URL: https://github.com/apache/groovy/pull/3074
## Summary
`GenericsUtils.parameterizeType` now keeps bounded wildcards when projecting
onto a
supertype (e.g. `ArrayList<? extends Number>` → `List<? extends Number>`, not
`List<Number>`; `? super` similarly). Unbounded `?` still uses the declared
bound
(GROOVY-10651 unchanged). Other `extractSuperClassGenerics` callers are
unchanged.
https://issues.apache.org/jira/browse/GROOVY-11521
> GenericsUtils parameterizeType fails to propagate wildcard generics
> -------------------------------------------------------------------
>
> Key: GROOVY-11521
> URL: https://issues.apache.org/jira/browse/GROOVY-11521
> Project: Groovy
> Issue Type: Bug
> Reporter: Eric Milles
> Priority: Major
>
> Given a class node like "java.util.ArrayList<? extends java.lang.Number>",
> calling {{GenericsUtils.parameterizeType(arrayList, list)}} produces
> "java.util.List<java.lang.Number>". The wildcard has been lost.
> This method is used in STC and elsewhere.
> GROOVY-8084, GROOVY-9074, GROOVY-9891
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