From: "Mauricio Fernández" <batsman.geo@...>
Date: 2004-08-31T16:28:18+09:00
Subject: Re: Object#undef_method ???

On Tue, Aug 31, 2004 at 03:20:04PM +0900, Gavin Sinclair wrote:
> You can remove a method from a class or module using Module#remove_method
> and Module#undef_method.  What if the method you are trying to get rid of
> is a _singleton_ method?
> 
> For instance,
> 
>   module X
>     def X.foo() 4 end
>   end
> 
>   X.foo           # -> 4
> 
>   # Some code goes here.

class << X; undef_method :foo end

>   X.foo           # -> NameError: undefined method `foo' for X:module [1]
> 
> Please write the code in the placeholder.
> 
> [1] Or 'NoMethodError'; I can't tell which is which.
          =============

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