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mal/tests/step5_tco.mal

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;; Testing recursive tail-call function
(def! sum2 (fn* (n acc) (if (= n 0) acc (sum2 (- n 1) (+ n acc)))))
;; TODO: test let*, and do for TCO
(sum2 10 0)
;=>55
(def! res2 nil)
;=>nil
(def! res2 (sum2 10000 0))
res2
;=>50005000
;; Test mutually recursive tail-call functions
(def! foo (fn* (n) (if (= n 0) 0 (bar (- n 1)))))
(def! bar (fn* (n) (if (= n 0) 0 (foo (- n 1)))))
(foo 10000)
;=>0