From: Brian Candler <b.candler@...>
Date: 2010-02-22T02:24:19+09:00
Subject: Re: Exit method?

Robert Klemme wrote:
> So, finally the answer to your question is "both". :-)

A similar concept you can use is module_function, which can be used as 
both "class method" of the module itself, and instance method in classes 
which include the module.

module Foo
  def bar
    puts "Hello"
  end
  module_function :bar
end

Foo.bar  # "Hello"

class Baz
  include Foo
  def initialize
    bar
  end
end

Baz.new  # "Hello"

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