From: Brian Mitchell <binary42@...>
Date: 2005-12-23T13:22:10+09:00
Subject: Re: Why not Python? (No, no, I am not a spy)

On 12/22/05, J. Ryan Sobol <ryansobol@gmail.com> wrote:
> Excuse my newbi-ness, but isn't that "self rule" for class methods
> similar in Ruby?  E.g.
>
> class A
>         def self.a_class_method
>                 puts "A class method"
>         end
> # OR
>         def A.another_class_method
>                 puts "Another class method"
>         end
> end

OR

class A
  class << self
    def foo; end
  end
end

OR

class A
  class << A
    def foo; end
  end
end

All equivalent in function definition (though surrounding scope can
differ inside class << declarations). It is similar but remember that
self is the class not an instance of the class.

Brian.