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(load "../common")
(defstruct (add n list) nil
n list
(:method cdr (me) (if (cdr me.list) (new (add me.n (cdr me.list)))))
(:method car (me) (+ me.n (car me.list)))
(:method nullify (me) (if me.list me))
(:method lambda (me i) (+ me.n (ref me.list i))))
(defvarl o (new (add 3 (range 10 100 10))))
(test (car o) 13)
(test (cadr o) 23)
(test [o 4] 53)
(test (cadr (last o)) nil)
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