Apart from bless and references (the syntax of the object system) and, with modern versions of Python, a sort of metaclass system, they're effectively the same slot-based system. They even share some of the same flaws, such as the fact that importing functions into a namespace makes those functions accessible as methods.

In reply to Re^5: Some thoughts on Moose Attributes by chromatic
in thread Some thoughts on Moose Attributes by John M. Dlugosz

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