MODULE TClassSibling;
(* A method body calls a sibling method by its bare name; it is a
   call on THIS. Exit 7. *)
VAR ExitCode : INTEGER;
TYPE
  CLASS Acc;
    total : INTEGER;
    PROCEDURE Add(v : INTEGER);
    PROCEDURE AddTwice(a, b : INTEGER);
    PROCEDURE Get() : INTEGER;
  END Acc;
CLASS IMPLEMENTATION Acc;
  PROCEDURE Add(v : INTEGER);
  BEGIN total := total + v END Add;
  PROCEDURE AddTwice(a, b : INTEGER);
  BEGIN Add(a); Add(b) END AddTwice;         (* sibling calls *)
  PROCEDURE Get() : INTEGER;
  BEGIN RETURN total END Get;
END Acc;
VAR c : Acc;
BEGIN
  c.AddTwice(3, 4);
  ExitCode := c.Get()
END TClassSibling.