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https://issues.apache.org/jira/browse/GROOVY-11656?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17950136#comment-17950136
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ASF GitHub Bot commented on GROOVY-11656:
-----------------------------------------
paulk-asert merged PR #2216:
URL: https://github.com/apache/groovy/pull/2216
> Create SGM#getLength methods for StringBuilder/StringBuffer
> -----------------------------------------------------------
>
> Key: GROOVY-11656
> URL: https://issues.apache.org/jira/browse/GROOVY-11656
> Project: Groovy
> Issue Type: New Feature
> Reporter: Paul King
> Assignee: Paul King
> Priority: Major
>
> This would allow arithmetic assignment operators to be used:
> {code:groovy}
> def sb = new StringBuilder()
> sb << 'foobar'
> sb.length -= 3
> assert sb.toString() == 'foo'
> {code}
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