jipiboily/monologue

module Monologue
  module ConfigurationExtensions
    def add_class(name)
      self.instance_variable_set "@#{name}", Set.new

      create_method("#{name}=".to_sym) { |val|
        instance_variable_set("@" + name, val)
      }

      create_method(name.to_sym) do
        instance_variable_get("@" + name)
      end
    end

    private

    def create_method(name, &block)
      self.class.send(:define_method, name, &block)
    end
  end
end