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Posted to notifications@groovy.apache.org by "Eric Milles (Jira)" <ji...@apache.org> on 2021/04/02 14:41:00 UTC
[jira] [Assigned] (GROOVY-8984) Can assign Collection with super
wildcard to Array
[ https://issues.apache.org/jira/browse/GROOVY-8984?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Eric Milles reassigned GROOVY-8984:
-----------------------------------
Assignee: Eric Milles
> Can assign Collection with super wildcard to Array
> --------------------------------------------------
>
> Key: GROOVY-8984
> URL: https://issues.apache.org/jira/browse/GROOVY-8984
> Project: Groovy
> Issue Type: Bug
> Components: Static Type Checker
> Affects Versions: 2.5.6
> Reporter: Daniil Ovchinnikov
> Assignee: Eric Milles
> Priority: Major
>
> {code:java}
> Collection<? super Runnable> foo() {[new Object()]}
> @groovy.transform.CompileStatic
> def usage() {
> Runnable[] ar = foo() // here
> ar
> }
> println usage()
> {code}
> Expected: compilation should fail
> Actual: compilation completes and execution fails with {{Cannot cast object 'java.lang.Object@65e98b1c' with class 'java.lang.Object' to class 'java.lang.Runnable'}}
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