From f739ac75511bdea3c0acf862e6e4546e9d92acce Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rub=C3=A9n=20Villacreces?= <ruben.villacreces@gmail.com>
Date: Sat, 3 Nov 2018 13:05:27 +0100
Subject: [PATCH] Fix insertionSort function in TypeClasses.scala

You have to add result type in order to call insertionSort as stated in "Calling Parameterized Sort".
---
 src/main/scala/scalatutorial/sections/TypeClasses.scala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/scala/scalatutorial/sections/TypeClasses.scala b/src/main/scala/scalatutorial/sections/TypeClasses.scala
index 65e92759..b5bae96d 100644
--- a/src/main/scala/scalatutorial/sections/TypeClasses.scala
+++ b/src/main/scala/scalatutorial/sections/TypeClasses.scala
@@ -51,7 +51,7 @@ object TypeClasses extends ScalaTutorialSection {
    * parameter:
    *
    * {{{
-   *   def insertionSort[T](xs: List[T])(lessThan: (T, T) => Boolean) = {
+   *   def insertionSort[T](xs: List[T])(lessThan: (T, T) => Boolean): List[T] = {
    *     def insert(y: T, ys: List[T]): List[T] =
    *       ys match {
    *         …