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https://issues.apache.org/jira/browse/GROOVY-8029?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eric Milles resolved GROOVY-8029.
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Resolution: Fixed
https://github.com/apache/groovy/commit/5949c2886689696bdb8fd98b16f23aaa23072885
> Static compilation fails when using collectMany and elvis operator
> ------------------------------------------------------------------
>
> Key: GROOVY-8029
> URL: https://issues.apache.org/jira/browse/GROOVY-8029
> Project: Groovy
> Issue Type: Bug
> Components: Static Type Checker
> Affects Versions: 2.4.7
> Reporter: Dmitry Bobrov
> Assignee: Eric Milles
> Priority: Minor
>
> The following code, when used with {{\@CompileStatic}}, produces {{Groovyc:
> [Static type checking] - Cannot call <T,E> java.util.List
> <Object>#collectMany(groovy.lang.Closure <java.util.Collection>) with
> arguments [groovy.lang.Closure <java.util.List>]}}
> {code}
> List<String> getStrings(List<Object> l) {
> l.collectMany { [it.toString()] } ?: ([] as List<String>)
> }
> {code}
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