Stacking Modules and super()

0004_module.rb

  
module TopLevel
  
  module Greeter
    module Person
      def greeting
        "Hello from #{name}. I am a #{age} year old #{gender}."
      end
    end
  end

  module FieldConversions
    module Person
      def greeting
        self.name = self.name.rstrip
        self.gender = self.gender.rstrip
        super
      end
    end
  end
end 

dto = Struct.new('Person', :name, :age, :gender) do 
  include ::TopLevel::Greeter::Person
  include ::TopLevel::FieldConversions::Person
end

person = dto.new('sue            ', 27, 'shemale        ')

puts person.name.length 
puts person.gender.length 
p person.greeting