From: 7stud -- <bbxx789_05ss@...>
Date: 2009-09-19T11:14:26+09:00
Subject: Re: Mucking about with dynamically adding methods to objects

7stud -- wrote:
> 
> ...but if you try this:
> 
> 
>   def talkify(obj, str)
>     obj_singleton = get_singleton_class(obj)
> 
>     obj_singleton.class_eval %Q{
> 
>       def talk
>         puts str    #<---CHANGE HERE****
>       end
> 
>     }
> 
>   end
> 
> 
> ...it doesn't work.  The def creates a new scope, and str is not defined 
> inside the def.
> 

To be clearer, that should read:

...it doesn't work.  When the string is evaluated inside the singleton 
class, the def creates a new scope, and the str variable is not defined 
inside the def.


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