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Task/Factorial/I/factorial.i

@@ -0,0 +1,18 @@
+function fact(n, acc) r {
+	if n = 0
+		return acc
+	end
+	return fact(n-1, n*acc)
+}
+
+function factorial(n) r {
+  return fact(n, 1)
+}
+
+software {
+	print(factorial(0))
+	print(factorial(1))
+	print(factorial(2))
+	print(factorial(3))
+	print(factorial(22))
+}