MODULE Test;
-IMPORT Out;
+TYPE
+ A = POINTER TO RECORD B : B; END;
+
+ B = POINTER TO RECORD x : A END;
VAR
- f : BOOLEAN;
- r, e : POINTER TO RECORD END;
+ a : A;
+
+PROCEDURE Do;
+ TYPE
+ ListPtr = POINTER TO ListNode;
+ ListNode = RECORD next: ListPtr END;
+BEGIN
+END Do;
BEGIN
- f := r = e;
- IF f THEN
- Out.String('Yes'); Out.Ln;
- END;
+ NEW(a);
+ a.B := NIL;
END Test.
