gistfile1.txt

class Disk
   class Collector
      include Enumerable

      def initialize(args)
         @platform = args[:platform]
         puts "#{self} platform #{@platform}"

         #  how do I include Disk::Collector::Linux ???
      end

      def each_disk
         %w{ a b c }.each do |n|
            disk = {}
            disk[ :name ] = "name-#{n}"
            disk[ :type ] = "type-#{n}"
            yield disk
         end
      end

   end
end

class Disk
   class Collector
      class Linux
         def each_disk


         end
      end
   end
end


Disk::Collector.new( :platform => :linux ).each_disk do |disk|

   puts "#{disk[:name]} #{disk[:type]}"
end