From: why the lucky stiff <ruby-talk@...>
Date: 2005-09-13T01:15:53+09:00
Subject: Re: how to well-qualify the 2-inherited methods at their collision point

Malte Milatz wrote:

>Jacob Fugal wrote:
>  
>
>>Or is
>>"defined?" a special case keyword that does lazy evaluation on it's
>>argument?
>>    
>>
>
>:defined? does not evaluate its argument:
>
>irb> defined? exit
>=> "method"
>irb>
>  
>
While ago I dug around the internals to figure out this curious 
keyword.  Definition code will be evaluated (def, class, etc.) but 
methods will not be called.

  <http://redhanded.hobix.com/inspect/methodCheckDefined.html>

_why