September Morn Update

Task/Inheritance-Single/Elena/inheritance-single.elena

@@ -3,22 +3,22 @@ class Animal
   // ...
 }
 
-class Dog :: Animal
+class Dog : Animal
 {
   // ...
 }
 
-class Lab :: Dog
+class Lab : Dog
 {
   // ...
 }
 
-class Collie :: Dog
+class Collie : Dog
 {
   // ...
 }
 
-class Cat :: Animal
+class Cat : Animal
 {
   // ...
-}.
+}

Task/Inheritance-Single/Oberon-2/inheritance-single.oberon-2

@@ -1,7 +1,7 @@
 MODULE Animals;
 TYPE
   Animal = POINTER TO AnimalDesc;
-  AnimalDesc = RECORD [ABSTRACT] END;
+  AnimalDesc = RECORD END;
 
   Cat = POINTER TO CatDesc;
   CatDesc = RECORD (AnimalDesc) END;

Task/Inheritance-Single/Rust/inheritance-single.rust

@@ -0,0 +1,5 @@
+trait Animal {}
+trait Cat: Animal {}
+trait Dog: Animal {}
+trait Lab: Dog {}
+trait Collie: Dog {}