pretty much redid the variable idea (now slot)

lib/virtual/type.rb

@@ -6,58 +6,17 @@ module Virtual
   class Type
     def == other
       return false unless other.class == self.class 
-      Sof::Util.attributes(self).each do |a|
-        begin
-          left = send(a)
-        rescue NoMethodError
-          next  # not using instance variables that are not defined as attr_readers for equality
-        end
-        begin
-          right = other.send(a)
-        rescue NoMethodError
-          return false
-        end
-        return false unless left.class == right.class 
-        return false unless left == right
-      end
       return true
     end
-
-    def inspect
-      self.class.name + ".new(" + attributes.collect{|a| send(a).inspect }.join(",")+ ")"
-    end
   end
   
   class Integer < Type
-
-    def initialize
-    end
-
   end
   
   class Reference < Type
-
-    def initialize clazz = nil
-      @clazz = clazz
-    end
-    attr_accessor :clazz
-
-    def at_index block , left , right
-      block.ldr( self , left , right )
-      self
-    end
   end
   
-  class SelfReference < Reference
-  end
-
   class Mystery < Type
-    def initialize 
-    end
-    def as type
-      type.new
-    end
-
   end
 
 end