Yes, simple and gets the job done. Though I'm a bit curious with the implementation. If the interface is only to get number of deleted and added items (instead of positions of deletion/insertion), why depend on Algorithm::Diff (or use the name 'diff', for that matter).
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To answer the 1-star review: What this modules gives over List::Compare is the simplicity. List::Compare POD gives you 1300 lines of man pages. This module does its job to get the difference of two arrays and nothing more than that. Quite well done.
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