gistfile1.rb

module MyModule
  module ClassMethods
    def act_as_my_module(params)
      #Note that in order to avoid having to escape string delimiters, we use a      #special, multiline string syntax. Text between <<-DELIM ... DELIM is treated as a #plain old string. In this case, our string is Ruby code intended to be evaluated by #class_eval.
      class_eval do <<-DELIM
        def some_method
          #remember , string substitution
          #is OK here. e.g., #{params[:foo]}
        end
      DELIM
      end
    end
  end

  module InstanceMethods
    #generic instance methods go here
  end

  def self.included(base)
    #add class method 
    base.extend ClassMethods
    #add instance method
    base.class_eval do
      include InstanceMethods
    end
  end
end