lib/yard/handlers/ruby/extend_handler.rb in yard-0.6.1 vs lib/yard/handlers/ruby/extend_handler.rb in yard-0.6.2

@@ -8,9 +8,12 @@
 
   private
 
   def process_mixin(mixin)
     if mixin == s(:var_ref, s(:kw, "self"))
+      if namespace.is_a?(ClassObject)
+        raise UndocumentableError, "extend(self) statement on class"
+      end
       namespace.mixins(scope) << namespace
     else
       super
     end
   end