if __package__ eq __main__:
   # do stuff to test to see if package is working.

##</code><code>##

if($main == "hardcoded::package::name") { }
if($main == $PROGRAM_NAME) { }
if($main->isa("hardcoded::package::name")) { }

##</code><code>##

$debug && print "some code";
$debug && print "some more code"