No, polymorphism doesn't depend on inheritance, and I never claimed that it did. Polymorphism is generally an expected outcome of inheritance though. There are clearly other ways of allowing polymorphism though - roles as you say; also mocking, delegation, etc.

perl -E'sub Monkey::do{say$_,for@_,do{($monkey=[caller(0)]->[3])=~s{::}{ }and$monkey}}"Monkey say"->Monkey::do'

In reply to Re^4: Introducing MooseX::hasn't by tobyink
in thread Introducing MooseX::hasn't by tobyink

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