From: Brian Candler <B.Candler@...>
Date: 2007-04-03T06:29:55+09:00
Subject: Re: Nested Modules/Classes

On Tue, Apr 03, 2007 at 06:02:41AM +0900, Ken Mitchell wrote:
> I have what I feel should be a simple issue.  Look at the following:
> 
> ############################
> # Test of nested modules/classes
> ############################
> class Global
>   module TestMod
>     TEST = "test1"
>     def print_test
>       puts "test2"
>     end
>   end#module TestMod
> 
>   include TestMod
>   puts TEST
>   print_test
> 
> end#class Global
> ##############################
> 
> ->test1
> ->test.rb:22: undefined local variable or method 'print_test' for
> Global:Class
> 
> Whether "Global" is a Class or a Method the same happens.  However, if I
> comment out "Global" completely, out put is as expected:
> 
> ->test1
> ->test2

If you 'include' a module in a class, its methods are added as instance
methods for objects of that class. Try:

a = Global.new
a.print_test