Actually, 0 and 1 are special-cased in perl to not throw a warning. Consider: 
$ perl -w -e'1;' -e'10;'
Useless use of a constant in void context at -e line 2

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Makeshifts last the longest.

In reply to Re^4: helping along $_ by Aristotle
in thread helping along $_ by boo_radley

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