From: Gregory Brown <gregory.t.brown@...>
Date: 2009-01-26T05:34:22+09:00
Subject: Re: unalias a method?

On Sun, Jan 25, 2009 at 2:55 PM, Todd Burch <promos@burchwoodusa.com> wrote:

> I'm assuming that alias_method is what I need to be using to temporarily
> "redirect" all my Foo.hello calls to do something different for a
> certain period of time, and finally I want to revert to the original
> behavior of Foo.hello.
>
> I used a module example, because that's what I'm using my real case, and
> I don't have access to the module source.

Hopefully this does what you'd expect.  -greg

module Foo
  extend self

  def hello
    p "Hi"
  end
end

Foo.hello

module Foo
  alias_method :old_hello, :hello

  def hello
    p "Hello again"
  end
end

Foo.hello

module Foo
  alias_method :hello, :old_hello
end

Foo.hello
-- 
Technical Blaag at: http://blog.majesticseacreature.com
 Non-tech stuff at: http://metametta.blogspot.com
"Ruby Best Practices"  Book now in O'Reilly Roughcuts:
http://rubybestpractices.com