From: George  Moschovitis <george.moschovitis@...>
Date: 2005-01-26T00:36:02+09:00
Subject: Re: Injecting methods from one class into another.

> Well, you can use #instance_method and #bind but ruby will make the
test
> uln% ruby -e 'Array.instance_method(:[]).bind(Hash.new)'
> -e:1:in `bind': bind argument must be an instance of Array
(TypeError)
> from -e:1

this test really kills 'duck typing', and renders the
instance_method/bind trick almost useless :(
Many thanks for the tip though.

-g.