ruby – 我可以包含/扩展模块,但将所有包含/扩展方法标记为私有

class A
  include B
  private *B.instance_methods
  extend B
  class << self
    private *B.instance_methods
  end
end

您可以通过猴子补丁模块添加private_include和private_extend：

class Module
  def private_include *modules
    class_eval do
      self.send(:include,*modules)
      modules.each do |mod|
        self.send(:private,*mod.instance_methods)
      end
    end
  end

  def private_extend *modules
    singleton = class << self; self end
    singleton.instance_eval do
      self.send(:include,*mod.instance_methods)
      end
    end
  end
end