From: jtprince <jtprince@...>
Date: 2011-02-26T04:10:30+09:00
Subject: Re: how to override the new/initialize method for a struct?

More concisely:

Dog = Struct.new(:bark, :bite) do
  class << self
    alias_method :old_new, :new
    def new(*args)
      obj = old_new(*args)
      obj.bark = 'really loud'
      obj
    end
  end
end