From: Payton Swick <payton@...>
Date: 2005-12-29T10:17:54+09:00
Subject: get mixin's name

A somewhat weird situation.

I have a module which I include in a class using Module#extend.  That 
module defines an instance method which returns the name of the module 
that defined the method.  Currently, I do that by hard-coding the string 
into the method definition, but it seems that there should really be a 
better way.

Here's some code:

irb(main):001:0> module Awesome
irb(main):002:1> def who_am_i
irb(main):003:2> 'Awesome' # Repeating myself, bad!
irb(main):004:2> end
irb(main):005:1> end
=> nil
irb(main):006:0> class One
irb(main):007:1> def initialize(what)
irb(main):008:2> extend what
irb(main):009:2> end
irb(main):010:1> end
=> nil
irb(main):011:0> a = One.new(Awesome)
=> #<One:0x40322710>
irb(main):012:0> a.who_am_i
=> "Awesome"

-Payton