From: "Mauricio Fernández" <batsman.geo@...>
Date: 2003-01-24T21:19:19+09:00
Subject: Re: how do you extend a class externally?

On Fri, Jan 24, 2003 at 06:40:21PM +0900, Tom Sawyer wrote:
> how do you extend a class externally?
> 
> 	module B
> 		...
> 	end
> 
> 	class A
> 		...
> 	end
> 	
> 	# ???
> 	A.include(B)
include is private
> 	A.extend(B)
This works, but doesn't do what you want as it is performed on singleton level.

> 	A.append_features(B)
this is private too
> 	A.class_eval { include B }	
This works, AFAIK.
cpmf2196@l4 ~ $ ruby
class A
end
module B
def boo
 p "BOO"
end
end
A.class_eval "include B"
A.new.boo
"BOO"

> none of these work.
> 

Is there a reason for Module (Class?, have no ri here)#include to be private?

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#if _FP_W_TYPE_SIZE < 64
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	-- linux/arch/sparc64/quad.c