lib/kosher/shipping.rb in kosher-0.5.0 vs lib/kosher/shipping.rb in kosher-0.6.0

@@ -1,12 +1,12 @@
 module Kosher
   # Shipping details of an offer.
   #
   # Shipping costs something (or nothing) and is subject to availability.
   class Shipping < Structure
-    key :cents, :type => Integer
-    key :currency
-    key :availability, :type => Structure
+    key     :cents, :type => Integer
+    key     :currency
+    has_one :availability
 
     # Returns whether the item ships for free.
     def free?
       cents == 0
     end