Ruby inheritance, inner classes, and class methods with `const_get`

ruby_2_0_class_prepend.rb

module Ruby2Prepend
  module GetExtensions
    module ClassMethods
      def get
        super + 1
      end
    end

    def self.prepended(base)
      class << base
        prepend ClassMethods
      end
    end
  end

  class BaseClient
    prepend GetExtensions

    def self.get
      puts self.const_get 'ResponseData'
      1
    end
  end

  class DemoClient < BaseClient
    def ouch
      self.class.get
    end
    
    class ResponseData
    end
  end
end
 
Ruby2Prepend::DemoClient.new.ouch # => 2

ruby_2_0_insta_prepend.rb

module Ruby2Prepend
  module GetExtensions
    def insta_get
      super + 1
    end
  end

  class BaseClient
    prepend GetExtensions
    
    def insta_get
      1
    end
  end

  class DemoClient < BaseClient
    def insta_ouch
      insta_get
    end
  end
end

Ruby2Prepend::DemoClient.new.insta_ouch # => 2

ruby_sub_typing.rb

module RubySubTyping
  class BaseClient
    def self.get
      self.const_get 'ResponseData'
    end
  end
  class DemoClient < BaseClient
    class ResponseData
    end
  end
end

Zen::DemoClient.get # => RubySubTyping::DemoClient::ResponseData

I wonder if I can use this: http://stackoverflow.com/a/18684467