From: Nigel Hennan <nigel.hennan@...>
Date: 2009-05-07T09:16:20+09:00
Subject: How to get class' filepath from methods in included mixin?

Hi,

File.dirname(__FILE__) returns the current folder where the script in,
How to get it from methods in included modules?

My sample code as below:

helper.rb
---------

module Helper
  def your_path
    puts instance_eval { File.expand_path(File.dirname(__FILE__)) } #
doesn't work
  end
end

a.rb
-----
require 'helper/helper'

class A
 include Helper
end

A.new.your_path #=> return helper's file path, not class A's
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