[jira] [Updated] (SPARK-30566) Iterator doesn't refer outer identifier named "iterator" properly in Scala 2.13

["Kousuke Saruta (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-30566?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kousuke Saruta updated SPARK-30566:
-----------------------------------
        Parent: SPARK-25075
    Issue Type: Sub-task  (was: Bug)

> 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
>            Priority: Minor
>
> 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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