From: "Mauricio Fernández" <batsman.geo@...>
Date: 2004-04-24T03:58:46+09:00
Subject: Re: Modules & include

On Sat, Apr 24, 2004 at 03:34:08AM +0900, Andreas Schwarz wrote:
> Why do I get an exception? Shouldn't Mod2 have the method return_true
> because it included Mod1?
> 
> irb(main):001:0> module Mod1  
> irb(main):002:1>   def return_true
> irb(main):003:2>     true
> irb(main):004:2>   end
> irb(main):005:1> end
> => nil
> irb(main):006:0> module Mod2
> irb(main):007:1>   include Mod1
                     =======
                     extend
> irb(main):008:1>   def self.test
                         =========
if this were  def test, include Mod1 would do what you want (or the
other way around, you'd want what include Mod1 does ;)
> irb(main):009:2>     return_true
> irb(main):010:2>   end
> irb(main):011:1> end
> => nil
> irb(main):012:0> Mod2.test
> NameError: undefined local variable or method `return_true' for Mod2:Module

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