From: Nobuyoshi Nakada <nobu@...>
Date: 2006-11-15T23:51:16+09:00
Subject: Re: Proc as Observer

Hi,

At Wed, 15 Nov 2006 21:50:04 +0900,
Trans wrote in [ruby-talk:225115]:
> Oh, there was one more thing I got confused about last night (sorry, it
> was late). Actually, the code I wrote for NilClass used delegation and
> #method_missing rather than an extension. This allowed me to turn the
> behavior off on the fly. And that's what I was referring to when I
> spoke of safe core extensions. But we can't do that using extending
> modules :-( Oh, only if we could #unextend.

Indeed, you can just do remove_method.

-- 
Nobu Nakada