From: Zhao Yi <youhaodeyi@...>
Date: 2009-01-30T21:19:07+09:00
Subject: uninitialized constant error

I have three ruby classes, see below:

1. base_cls.rb

File.dirname(__FILE__)+'/cls_factory'
class BaseCls

  def self.say
    ClsFactory.say
  end
end
BaseCls.say

2. sub_cls.rb

require File.dirname(__FILE__)+'/base_cls'

class SubCls  < BaseCls
end

3. cls_factory.rb

require File.dirname(__FILE__)+'/sub_cls'

class ClsFactory
  def self.get_cls
    SubCls.new
  end
end

When I run base_cls.rb, I got this error:

base_cls.rb:5:in `say': uninitialized constant BaseCls::ClsFactory
(NameError)

I don't understand why this error happens? Can anyone help me on this?

thanks.
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