def add_role_reader_for!(rolekey)
        return if private_method_defined?(rolekey)
        define_method(rolekey) {__context.send(rolekey)}
        private rolekey
      end
def add_role_reader_for!(rolekey)
        return if private_method_defined?(rolekey)
        define_method(rolekey) {__context.send(rolekey)}
        private rolekey
      end
Defines a new private reader instance method for a context mate role, delegating it to the context object.