From: James Britt <james_b@...>
Date: 2006-03-30T00:38:43+09:00
Subject: Re: Ruby Black Belt

ts wrote:
>>>>>>"J" == James Edward Gray <james@grayproductions.net> writes:
> 
> 
> J> Robert Dober was kind enough to point out that RDoc may have led me  
> J> astray here.  You can call Kernel methods like class methods and they  
> J> do not show up in the list of instance_methods().  They are mixed  
> J> into Object though, right?  Can someone clue me in here?
> 
>  a global function is a Kernel module function : this mean that it's a
>  *private* method (this is why #instance_methods don't display it) and a
>  public singleton method 
> 
> moulon% ruby -e 'module M def f() end; module_function :f end; p M.instance_methods'
> []
> moulon% 
> 
> moulon% ruby -e 'module M def f() end; module_function :f end; p M.private_instance_methods'
> ["f"]
> moulon% 
> 
> moulon% ruby -e 'module M def f() end; module_function :f end; p M.singleton_methods'
> ["f"]
> moulon% 


http://www.ruby-doc.org/core/classes/Module.html#M000725


-- 
James Britt

"A principle or axiom is of no value without the rules for applying it."
   - Len Bullard