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https://issues.apache.org/jira/browse/SPARK-30566?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon resolved SPARK-30566.
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Fix Version/s: 3.0.0
Resolution: Fixed
Issue resolved by pull request 27275
[https://github.com/apache/spark/pull/27275]
> Iterator doesn't refer outer identifier named "iterator" properly in Scala
> 2.13
> -------------------------------------------------------------------------------
>
> Key: SPARK-30566
> URL: https://issues.apache.org/jira/browse/SPARK-30566
> Project: Spark
> Issue Type: Sub-task
> Components: Build
> Affects Versions: 3.0.0
> Environment: Scala 2.13
> Reporter: Kousuke Saruta
> Assignee: Kousuke Saruta
> Priority: Minor
> Fix For: 3.0.0
>
>
> As of Scala 2.13, scala.collection.Iterator has "iterator" method so if an
> inner class of Iterator means to refer an outer identifier named "iterator",
> it does not work as we think.
> Following is an example.
> {code}
> val iterator = ...
> return new Iterator {
> def next() {
> iterator.next() // this "iterator" is not what we defined above.
> }
> }
> {code}
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