specs/constraints/set_enum/distinct.rb in gecoder-0.9.0 vs specs/constraints/set_enum/distinct.rb in gecoder-0.9.1

@@ -1,7 +1,9 @@
 require File.dirname(__FILE__) + '/../constraint_helper'
 
-class SetEnumDistinctSampleProblem < Gecode::Model
+class SetEnumDistinctSampleProblem
+  include Gecode::Mixin
+
   attr :vars
   attr :sets
   
   def initialize
     @vars = int_var_array(2, 1)