The link you posted doesn't work. 
  extends "Person";
  hasn't name => (default => 'anon');

[download]
that reads like a contradiction. If it doesn't support the same operations as Person then in what sense does it extend Person? Or is this meant to be an Acme type module?

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

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