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https://issues.apache.org/jira/browse/GROOVY-10734?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eric Milles reassigned GROOVY-10734:
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Assignee: Eric Milles
> STC doesn't resolve zero-argument method references in nested generics
> ----------------------------------------------------------------------
>
> Key: GROOVY-10734
> URL: https://issues.apache.org/jira/browse/GROOVY-10734
> Project: Groovy
> Issue Type: Bug
> Components: Static Type Checker
> Affects Versions: 4.0.4
> Reporter: Christopher Smith
> Assignee: Eric Milles
> Priority: Minor
>
> I have a rather mundane Streams pipeline trying to group some items by a
> particular property.
> {code}
> @CompileStatic
> class GroovyExample {
> String category
> String title
> static Object organize(Collection<GroovyExample> examples) {
> examples.stream()
> .collect(groupingBy(GroovyExample::getCategory))
> }
> }
> {code}
> This produces
> {code}
> Failed to find the expected method[getCategory(java.lang.Object)] in the
> type[GroovyExample]
> {code}
> This feels similar to GROOVY-9803 in that the apparent problem is a result of
> a nested generic call that, while unambiguous according to the JLS rules,
> doesn't get propagated tightly enough for the STC to correctly recognize that
> the target type is {{GroovyExample}} and thus the zero-argument method is the
> correct resolution.
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