[ruby-talk:00636] Re: Next misbehavior (sorry :-)

Hi, 

In message "[ruby-talk:00632] Re: Next misbehavior (sorry :-)"
    on 99/08/11, [e-mail] <[e-mail]> writes:

>> 	class MyString<String
>> 	  class << self
>> 	    def new(*args)
>> 	      res = super(args[0] || "")
>> 	      res.instance_eval{ initialize(*args) }
>> 	      res
>> 	    end
>> 	  end
>> 	  
>
>Can you explain me, please, why do you do it that way? I have done it
>as following:
>
>	class MyString<String
>	    def MyString.new(*args)
>	        res=super(args[0] || "")
>	        res.instance_eval{ initialize *args }
>	        res
>	    end
>	end
>
>It seems to work. Is there any advantage using the `class << whatever'
>style here? :-/

Well, they are simply different in their styles. 
No advantage lives in my above example. 

I think there some merits exists in `class << whatever' style. 
  - Scope is easy to see. 
  - A private class method can be call. 
  - Less keyboard typing if several class methods are defined :-)

-- gotoken