From: Elliot Temple <curi@...>
Date: 2006-05-25T04:38:03+09:00
Subject: Re: define_method for a single instance?


On May 24, 2006, at 11:18 AM, Jake McArthur wrote:

> I'm trying to define a method for a specific instance of a class  
> rather than for every instance of the class. Basically, something  
> like this:
>
> class A
>   def add_wibble_method
>     # don't know what to do here
>   end
> end
>
> foo = A.new
> bar = A.new
> foo.add_wibble_method
> foo.wibble # should work
> # bar.wibble should not work
>
> Any help would be appreciated.

#the self is needed or bar gets wibble too.

class A
   def add_wibble_method
     # don't know what to do here
     def self.wibble
       puts "wibble"
     end
   end
end

foo = A.new
bar = A.new
foo.add_wibble_method
foo.wibble # should work
bar.wibble rescue puts "error"


-- Elliot Temple
http://www.curi.us/blog/