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https://issues.apache.org/jira/browse/GROOVY-11601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17941914#comment-17941914
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Eric Milles commented on GROOVY-11601:
--------------------------------------
I think you could also have written D like this before, since any expression
list is accepted:
{code:groovy}
for (i = 3, j = 70; i < 8; { i++; j -= 10; println '*' }()) {
}
{code}
> remove support for expression list in for-each statement
> --------------------------------------------------------
>
> Key: GROOVY-11601
> URL: https://issues.apache.org/jira/browse/GROOVY-11601
> Project: Groovy
> Issue Type: Improvement
> Components: parser-antlr4
> Reporter: Eric Milles
> Assignee: Eric Milles
> Priority: Minor
>
> The for-each loop supports an arbitrary expression list. Presumably this is
> for legacy reasons. Now that multi-variable declaration is supported by
> for-each and classic for, it does not seem necessary to support expression
> list. I propose to remove it from the parser grammar.
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