From 058751d1bcaeb86aa27139436da6f7d9b4f15278 Mon Sep 17 00:00:00 2001
From: xiaowei-zhang <xiaowei.zhang124@gmail.com>
Date: Fri, 3 Apr 2020 14:54:26 +0200
Subject: [PATCH] Fix recursive type missing error

Error: recursive method `iterate` needs result type
---
 .../scala/scalatutorial/sections/ImperativeProgramming.scala    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/scala/scalatutorial/sections/ImperativeProgramming.scala b/src/main/scala/scalatutorial/sections/ImperativeProgramming.scala
index 1323496f..c724142a 100644
--- a/src/main/scala/scalatutorial/sections/ImperativeProgramming.scala
+++ b/src/main/scala/scalatutorial/sections/ImperativeProgramming.scala
@@ -31,7 +31,7 @@ object ImperativeProgramming extends ScalaTutorialSection {
    * Say you have the following two functions `iterate` and `square`:
    *
    * {{{
-   *   def iterate(n: Int, f: Int => Int, x: Int) =
+   *   def iterate(n: Int, f: Int => Int, x: Int): Int =
    *     if (n == 0) x else iterate(n-1, f, f(x))
    *   def square(x: Int) = x * x
    * }}}