Change the my to our, then call it. 
use strict;
use warnings;
INIT{
    package Mypackage;
    use strict;
    use warnings;

    our $privateFunc = sub {
      print "Private parts - do not touch\n";   
    }

} # End of package
#We are now OUTSIDE.
$Mypackage::privateFunc->();

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     ..to maintain is to slowly feel your soul, sanity and sentience ebb away as you become one with the Evil.

In reply to Re: test case for private function in module by NetWallah
in thread test case for private function in module by minhtuanht

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