lib/bmg/operator/constants.rb in bmg-0.5.0 vs lib/bmg/operator/constants.rb in bmg-0.6.0

@@ -6,22 +6,21 @@
     # Extends operand's tuples with attributes given at construction.
     # This is a special case of an extension, where the values are
     # statically known.
     #
     class Constants
-      include Operator
+      include Operator::Unary
 
       def initialize(type, operand, constants)
         @type = type
         @operand = operand
         @constants = constants
       end
-      attr_reader :type
 
     protected
 
-      attr_reader :operand, :constants
+      attr_reader :constants
 
     public
 
       def each
         @operand.each do |tuple|
@@ -90,9 +89,15 @@
           result = result.restrict(top_p)
           result
         end
       rescue Predicate::NotSupportedError
         super
+      end
+
+    protected ### inspect
+
+      def args
+        [ constants ]
       end
 
     private
 
       def extend_it(tuple)