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https://issues.apache.org/jira/browse/GROOVY-10075?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul King closed GROOVY-10075.
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> Static compiler incorrectly typechecks extension modules
> --------------------------------------------------------
>
> Key: GROOVY-10075
> URL: https://issues.apache.org/jira/browse/GROOVY-10075
> Project: Groovy
> Issue Type: Bug
> Components: Static compilation
> Affects Versions: 2.4.15, 3.0.8
> Environment: macOS 10.15.7
> OpenJDK Zulu 11.0.3
> Groovy 3.0.8
> Gradle 6.8
> Reporter: Felix Scheinost
> Assignee: Eric Milles
> Priority: Major
> Fix For: 4.0.0-beta-1, 3.0.9
>
> Attachments: screenshot-1.png, screenshot-2.png
>
>
> I think I found a bug in static typechecking of extension modules.
> I tested two variants:
> # Fixed generic: _static void getTestString(List<String> self)_
> ## In this case the bug affects both method calls and property access e.g.
> _integerList.getTestString()_ and _integerList__.testString_ both compile
> # With generic constraint: _static <S extends String> void
> getTestStringOrSubclass(List<S> self)_
> ## In this case the bug only affects property access e.g.
> _integerList.__getTestStringOrSubclass__()_ doesn't compile but
> _integerList.testStringOrSubclass_ compiles
> I prepared an example project here:
> [https://github.com/felixscheinost/test-groovy-static-extensions]
> Please have a look at
> [https://github.com/felixscheinost/test-groovy-static-extensions/blob/master/src/main/groovy/org/example/App.groovy]
>
> Thanks!
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