Data update

Task/Repeat/Scheme/repeat.scm

@@ -0,0 +1,13 @@
+(import (scheme base)
+        (scheme write))
+
+(define (repeat proc n)
+  (do ((i 0 (+ 1 i))
+       (res '() (cons (proc) res)))
+    ((= i n) res)))
+
+;; example returning an unspecified value
+(display (repeat (lambda () (display "hi\n")) 4)) (newline)
+
+;; example returning a number
+(display (repeat (lambda () (+ 1 2)) 5)) (newline)