examples/person.fy in fancy-0.3.2 vs examples/person.fy in fancy-0.3.3

@@ -1,12 +1,11 @@
 # person.fy
 # Annotated example of fancy's classes mechanism
 
 class City {
-  read_slots: ['city]
-  def initialize: name {
-    @name = name
+  read_slots: ['name]
+  def initialize: @name {
   }
 
   def to_s {
     "City: " ++ @name
   }
@@ -22,14 +21,11 @@
   # method being generated, that calls this method when being called.
   # The name of the class factory method is the same as the instance
   # method but having initialize: replaced by new:.
   # So in this case: Person##new:age:city:
   # which calls this instance method internally
-  def initialize: name age: age city: city {
-    @name = name
-    @age = age
-    @city = city
+  def initialize: @name age: @age city: @city {
   }
 
   def go_to: city {
     # The .-operator (dot) manages left associativity and treats
     # everything left of it as one expression and everything right of
@@ -48,10 +44,10 @@
       @city = city
     }
   }
 
   def to_s {
-    "Person: " ++ @name ++ ", " ++ @age ++ " years old, living in " ++ @city
+    "Person: #{@name}, #{@age} years old, living in #{@city}"
   }
 }
 
 # usage example:
 osna = City new: "Osnabrück"