O Objects

O++++ I am Damian Conway 
O+++  I have written a large application with OOP
O++   I have written an OOP module and know what @ISA is for.
O+    I have written an OOP module, but never used inheritence
O     I have used other people's OO modules.
O-    I've heard of OOP and would like to learn it someday.
O--   I've heard of OOP and think its a joke
O---  I've never heard of OOP or don't understand OOP.
O! I am Tom Christiansen