Because :: is a special delimiter in Perl. If you tried ;; or || or anything else, for that matter, I suspect it would it would work.
Also, turn strict on. :-)
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Expressing a contrary opinion, whether to the individual or the group, is more often a sign of deeper thought than of cantankerous belligerence.
Do not mistake your goals as the only goals; your opinion as the only opinion; your confidence as correctness. Saying you know better is not the same as explaining you know better.
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