class NilObject
  def initialize(klass=nil)
    @klass = klass || real_class_name
  end

  def method_missing(name, *args)
    return super unless respond_to?(name)
    name.to_s.ends_with?('?') ? false : nil
  end

  def respond_to?(name)
    @klass.new.respond_to?(name)
  end

  def real_class_name
    self.class.name[3..-1].constantize
  end
end