I don't think that is good enough because it doesn't always work 
$ perl -MData::Dump::Streamer -MYAML -wle 1

$ perl -MData::Dump::Streamer -MYAML -Wle 1
Use of uninitialized value $ENV{"B_UTILS_TRACE"} in addition (+) at /u
+sr/local/lib/perl5/site_perl/5.10.1/x86_32-linux/B/Utils.pm line 72.
Subroutine main::Dump redefined at /usr/local/lib/perl5/5.10.1/lib/Exp
+orter.pm line 67.
 at -e line 0
Name "Exporter::CARP_NOT" used only once: possible typo at /usr/local/
+lib/perl5/5.10.1/lib/Carp/Heavy.pm line 304.
Name "main::CARP_NOT" used only once: possible typo at /usr/local/lib/
+perl5/5.10.1/lib/Carp/Heavy.pm line 304.

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In reply to Re^2: Exporter collision detection by Anonymous Monk
in thread Exporter collision detection by Anonymous Monk

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