lib/scope.rb in expressive-0.0.28 vs lib/scope.rb in expressive-0.0.29

@@ -26,10 +26,14 @@
     def include?(name)
       @symbols.include?(name) or @lookups.include?(name)
     end
 
     def [](name)
-      @symbols[name] || @parent[name]
+      if @symbols[name].nil?
+        @parent[name]
+      else
+        @symbols[name]
+      end
     end
 
     def []=(name, value)
       if value
         if value.is_a?(ExtendedValue)