And to explore the converse, the "2t" and "3t" lines spit out warnings instead: 
#!/usr/bin/perl -w

print "1t\n" unless 1;
print "1f\n" unless 0;

print "2t\n" unless 'moo';
print "2f\n" unless '';

print "3t\n" unless '1';
print "3f\n" unless '0';

[download]
Just thought i would point this out as well ... i don't have an answer.

jeffa

L-LL-L--L-LL-L--L-LL-L--
-R--R-RR-R--R-RR-R--R-RR
B--B--B--B--B--B--B--B--
H---H---H---H---H---H---
(the triplet paradiddle with high-hat)

In reply to (jeffa) Re: Unusual 'constant in void context' warnings by jeffa
in thread Unusual 'constant in void context' warnings by MeowChow

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