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-rw-r--r--tests/lambda.lisp14
1 files changed, 14 insertions, 0 deletions
diff --git a/tests/lambda.lisp b/tests/lambda.lisp
index 5c93bdb..18bbd8b 100644
--- a/tests/lambda.lisp
+++ b/tests/lambda.lisp
@@ -3,10 +3,24 @@
(lambda (g) (funcall g g))
(lambda (h)
(funcall f (lambda args (apply (funcall h h) args))))))
+
(defun fibo-impl (self)
(lambda (n)
(if (<= n 2)
1
(+ (funcall self (- n 1)) (funcall self (- n 2))))))
+
(defvar fibo (Y #'fibo-impl))
+
(assert (= 55 (funcall fibo 10)))
+
+(defun generate-counter (init)
+ (let ((i init))
+ (lambda ()
+ (setq i (+ 1 i))
+ i)))
+
+(let ((c (generate-counter 0)))
+ (assert (= 1 (funcall c)))
+ (assert (= 2 (funcall c)))
+ (assert (= 3 (funcall c))))