specs/constraints/int_enum/element.rb in gecoder-0.9.0 vs specs/constraints/int_enum/element.rb in gecoder-0.9.1

@@ -1,7 +1,9 @@
 require File.dirname(__FILE__) + '/../property_helper'
 
-class ElementSampleProblem < Gecode::Model
+class ElementSampleProblem
+  include Gecode::Mixin
+
   attr :prices
   attr :store
   attr :price
   attr :fixnum_prices