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  1. or download this
    #!/usr/bin/perl -w
    
    use strict;
    ...
    
    my $o = Obj->new();
    print $o->can('new'), "\n", UNIVERSAL::can($o, 'new'), "\n";
    
  2. or download this
    
    package UNIVERSAL;
    ...
    
    package main;
    Universal->new->loop();