From: Derek Cannon <novellterminator@...>
Date: 2010-03-27T03:59:18+09:00
Subject: Re: Creating a gsub! method for Arrays

Derek Cannon wrote:
> class Array
>   def gsub!(pattern, replacement)
>     each { |x|
>       x.gsub!(pattern, replacement)
>       }
>   end
> end

Just out of curiosity, does anyone know how Ruby knows what "each" is 
referring to in this case? It works as intended -- I'm just curious as 
to HOW.
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