X-Git-Url: http://nitlanguage.org

diff --git a/lib/serialization.nit b/lib/serialization.nit
index ae971c9..8a1d1ee 100644
--- a/lib/serialization.nit
+++ b/lib/serialization.nit
@@ -15,7 +15,9 @@
 # limitations under the License.
 
 # Offers services to serialize a Nit objects to different persistent formats
-module serialization
+module serialization is
+	new_annotation auto_serializable
+end
 
 # Abstract serialization service to be sub-classed by specialized services.
 interface Serializer
@@ -65,7 +67,10 @@ interface Deserializer
 
 	# Mainly generated method to return the next instance of the givent
 	# class by name
-	fun deserialize_class(class_name: String): Object do abort
+	fun deserialize_class(class_name: String): Object do
+		print "Error: doesn't know how to deserialize class \"{class_name}\""
+		abort
+	end
 end
 
 # Instances of this class can be passed to `Serializer::serialize`