From: Tim Hunter <rmagick@...>
Date: 2006-06-06T02:01:51+09:00
Subject: Re: Why doesn't method_missing affect respond_to?

Pat Maddox wrote:
> Guess I just thought Ruby would automatically pick it up.  However, I
> don't see how it'd be able to, short of creating a copy of the object
> in memory and calling the method on the object to see if it returns a
> result.  If the copy gives a method missing error, then respond_to?
> would return false.  Obviously it would suck to create a copy and
> actually call the method just to see if an object responds to it.
> 
> Pat

Not to mention the problems that could occur when Ruby tries calling a 
method just to see if it works:

class War
   def start(type=:nuclear)
   ...
   end
end

war = War.new
war.respond_to? :start



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