Improve ArrayUtil/CollectionUtil.*Sort() methods to early-reaturn on empty or
one-element lists/arrays
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Key: LUCENE-2990
URL: https://issues.apache.org/jira/browse/LUCENE-2990
Project: Lucene - Java
Issue Type: Improvement
Reporter: Uwe Schindler
Assignee: Uwe Schindler
Fix For: 3.2, 4.0
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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