package sodium;

public class Unit {
    public static final Unit unit = new Unit();
    Unit() {}
};


@@ -96,8 +96,110 @@
  %7B%7D%0A
+%0A    @Override%0A    public boolean equals(Object other_) %7B%0A        return other_ instanceof Unit;%0A    %7D%0A
 %7D;
-%0A
 %0A

Add equality to Unit.