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https://issues.apache.org/jira/browse/GROOVY-11255?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul King closed GROOVY-11255.
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> DGM#flatten flattens nested structures including arrays but not primitive
> arrays
> --------------------------------------------------------------------------------
>
> Key: GROOVY-11255
> URL: https://issues.apache.org/jira/browse/GROOVY-11255
> Project: Groovy
> Issue Type: Improvement
> Reporter: Paul King
> Assignee: Paul King
> Priority: Major
> Fix For: 5.0.0-alpha-5
>
>
> Currently a cast exception is thrown in that case.
> Note this only applies in Groovy 5. Groovy 4 converted primitive arrays into
> lists before flattening them. Earlier alphas of Groovy 5 avoided creating
> such lists but we inadvertently didn't cater for primitives during array
> processing which is where the cast exception crept in.
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