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

@@ -1,7 +1,9 @@
 require File.dirname(__FILE__) + '/../constraint_helper'
 
-class ChannelSampleProblem < Gecode::Model
+class ChannelSampleProblem
+  include Gecode::Mixin
+
   attr :elements
   attr :positions
   attr :sets
   
   def initialize