From: Jean Nibee <theopensourceguy@...>
Date: 2007-07-06T04:12:25+09:00
Subject: CONST initialization...

How come this works when I access Orders::PAYMENT_TYPES

>>>>>>>>>> CODE
class Order < ActiveRecord::Base
  PAYMENT_TYPES = [
    [ "Check", "check" ],
    [ "Credit card", "cc" ],
    [ "Purchase order", "po" ]
  ]

  has_many :line_items

  validates_presence_of :name, :address, :email, :pay_type
  validates_inclusion_of :pay_type, :in => PAYMENT_TYPES.map {|disp,
value| value}

end
<<<<<<<<<< CODE

But this doesn't:

>>>>>>>>>> CODE
class Order < ActiveRecord::Base
  has_many :line_items

  validates_presence_of :name, :address, :email, :pay_type
  validates_inclusion_of :pay_type, :in => PAYMENT_TYPES.map {|disp,
value| value}

  PAYMENT_TYPES = [
    [ "Check", "check" ],
    [ "Credit card", "cc" ],
    [ "Purchase order", "po" ]
  ]

end
<<<<<<<<<< CODE

Error thrown:
/usr/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:477:in
`const_missing'

I have moved the PAYMENT_TYPES map around and it even is okay if it's
after the has_many :item_lines accessor, but not if it's after the
'validation' accessors.

Thanks.

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