From: George  Moschovitis <george.moschovitis@...>
Date: 2005-01-26T01:40:50+09:00
Subject: Re: Injecting methods from one class into another.

> I do not think what you want has anything to do with 'duck typing'.

Of course it has. Have a look at the following example:

class C1
attr_accessor :a

def a1
puts @a
end

def a2
puts 'hello'
end
end

class C2
attr_accessor :a
end

So for method C1#a1 the class C2 'quacks like a duck' (ie, it has the
attribute @a)

So in 'duck typing' spirit, it should be possible to do:

c = C2.new

m = C1.instance_method(:a1)
m.bind(c)

c.a1

however Ruby raises a TypeError :(

Can anyone give me an example, where this #bind method is usefull? I
mean,  you can only bind a Method back to an object of the original
method's Class or a Subclass. But such an object allready has this
method, so whats the point?
Am I missing something here?

regards, 
George