Flexibility of the object system

Object is a data structure.
- Why bless a closure?
- Data inheritance problems.
- You can rebless an object.
Method is a subroutine.
- No distinction between class and object methods.
- AUTOLOAD
Class is a package.
- Dynamically generatable.
- @ISA run-time changeable.
- UNIVERSAL

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YAPC 2000: Stages of a Perl Programmer - 30