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https://issues.apache.org/jira/browse/LUCENE-2990?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Uwe Schindler resolved LUCENE-2990.
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Resolution: Fixed
Lucene Fields: [New, Patch Available] (was: [New])
Renamed local variable from "l" to "size".
Committed trunk revision: 1085689
Committed 3.x revision: 1085691
> Improve ArrayUtil/CollectionUtil.*Sort() methods to early-reaturn on empty or
> one-element lists/arrays
> ------------------------------------------------------------------------------------------------------
>
> Key: LUCENE-2990
> URL: https://issues.apache.org/jira/browse/LUCENE-2990
> Project: Lucene - Java
> Issue Type: Improvement
> Reporter: Uwe Schindler
> Assignee: Uwe Schindler
> Priority: Trivial
> Fix For: 3.2, 4.0
>
> Attachments: LUCENE-2990.patch, LUCENE-2990.patch, LUCENE-2990.patch
>
>
> It might be a good idea to make CollectionUtil or ArrayUtil return early if
> the passed-in list or array's length <= 1 because sorting is unneeded then.
> This improves maybe automaton or other places, as for empty or one-element
> lists no SorterTermplate is created.
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