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https://issues.apache.org/jira/browse/GROOVY-10889?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eric Milles resolved GROOVY-10889.
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Resolution: Fixed
https://github.com/apache/groovy/commit/1516992472d5304449d2d6659af525305f5c6dc8
> Casting of arguments in @NamedVariant method has no effect
> ----------------------------------------------------------
>
> Key: GROOVY-10889
> URL: https://issues.apache.org/jira/browse/GROOVY-10889
> Project: Groovy
> Issue Type: Bug
> Affects Versions: 4.0.6
> Reporter: Pavlo Shevchenko
> Assignee: Eric Milles
> Priority: Minor
> Labels: named-parameters
>
> {code:java}
> import groovy.transform.NamedVariant
> class Reproducer {
> @NamedVariant
> private static Tuple2<Integer, Set<String>> createSampleData(
> Integer left = 0,
> Set<String> right = [] as Set
> ) {
> Tuple2.tuple(left, right)
> }
> static void main(String[] args) {
> createSampleData(left: 1)
> }
> }
> {code}
> The default value of "right" argument (i.e. "[] as Set") is detected as
> "ArrayList" despite the explicit cast. This used to work in Groovy 3.x, and
> now fails with
> {code:java}
> Exception in thread "main" groovy.lang.MissingMethodException: No signature
> of method: static dev.pshevche.Reproducer.createSampleData() is applicable
> for argument types: (Integer, ArrayList) values: [1, []]{code}
> Replacing the "[] as Set" with "new HashSet<>()" resolves the issue.
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