Pavlo Shevchenko created GROOVY-10889:
-----------------------------------------
Summary: 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
{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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