examples/person.fy in fancy-0.3.3 vs examples/person.fy in fancy-0.4.0

@@ -1,9 +1,9 @@
 # person.fy
 # Annotated example of fancy's classes mechanism
 
 class City {
-  read_slots: ['name]
+  read_slot: 'name
   def initialize: @name {
   }
 
   def to_s {
     "City: " ++ @name