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  1. or download this
    #!/usr/bin/perl
    
    ...
    $obj->foo1();          # indirect, using goto (transparent)
    $obj->foo2();          # indirect, using goto via closure
    $obj->foo3();          # indirect, using regular call via $self
    
  2. or download this
    foo at ./722627.pl line 16
            Foo::myFunction('Foo=HASH(0x63c430)') called at ./722627.pl li
    +ne 40
    ...
    foo at ./722627.pl line 16
            Foo::myFunction('Foo=HASH(0x63c430)') called at ./722627.pl li
    +ne 33
            Foo::foo3('Foo=HASH(0x63c430)') called at ./722627.pl line 43