private class methods- functionality or shortcoming?

[amit saxena]

"> The Module#private method only works for instance methods,

not for class
method."

My question is, why is it so? What's the advantage in it?

Amit

From: Stefano Crocco <[email protected]>
Subject: Re: private class methods- functionality or shortcoming?
To: "ruby-talk ML" <[email protected]>
Date: Monday, June 9, 2008, 7:39 PM

class Abc

class<<self
private
def fun
p "hello"
end
end

end

class Abc

private
def self.fun
p "hello"
end

end