From: Kedar Mhaswade <kedar.mhaswade@...>
Date: 2011-01-25T23:54:58+09:00
Subject: module_function and Object include.

I understand that the use of the Module's class method "module_function"
is to
- create class method copies of the instance methods defined in module
- make those instance methods "private" when mixed in.

e.g.
1  module Functions
2    module_function
3    def greet(whom)
4      puts "Hi, #{whom}"
5    end
6  end

Now, if I included this module in my class like:
class Greeter
  include Functions
end

everything works as expected.

But, if I opened up the Object class and included Function there e.g.
class Object
  include Functions
end
(like probably what Ruby does with Kernel module),

then I find that module_function (line #2 above) is __not__ needed!

Do I conclude that including a module in Object class has the same
effect as module_function?

Thank you,
Kedar

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