From: Siep Korteling <s.korteling@...>
Date: 2008-05-30T07:05:40+09:00
Subject: Re: Quickie: Monkey patching Array

Leon Bogaert wrote:
> Hi all,
> 
> A quick question: is it possible to monkey patch the Array [] method in
> ruby?
> 
> I tried:
> 
> class Array
>    def []=(elem)
>      raise 'Yesss... It works!'
>    end
> end
> 
> But that didn't work. I tried patching the Kernel module but that didn't
> have any effect either. Is the [] hidden else somewhere? Or do I have to
> use rubinius for that? :)
> 
> Thanks!
> 
> Leon

You redefined the []= method, not the [] method.
class Array
    def [](elem) # just get rid of the "="
      raise 'Yesss... It works!'
    end
 end

groeten,

Siep

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