fix fmt

Author: pedrorijo91

scala-core-collections-modules/scala-core-collections-4/src/main/scala/com/baeldung/scala/listaverage/ListAverage.scala

@@ -2,20 +2,18 @@ package com.baeldung.scala.listaverage
 
 object ListAverage {
 
-
-  def naive(lst: List[Int]): Int  = {
+  def naive(lst: List[Int]): Int = {
     var total = 0
     var nrElements = 0
 
-    for(elem <- lst) {
+    for (elem <- lst) {
       total += elem
       nrElements += 1
     }
 
     total / nrElements
   }
 
-
   def averageDouble(lst: List[Int]): Double = {
     var total = 0
 
@@ -39,7 +37,8 @@ object ListAverage {
   }
 
   def averageWithFold(lst: List[Int]): Double = {
-    val (sum, size) = lst.foldLeft((0.0, 0))((pair, elem)=>(pair._1 + elem, pair._2 + 1))
+    val (sum, size) =
+      lst.foldLeft((0.0, 0))((pair, elem) => (pair._1 + elem, pair._2 + 1))
     sum / size
   }
 }

scala-core-collections-modules/scala-core-collections-4/src/test/scala/com/baeldung/scala/listaverage/ListAverageUnitTest.scala

@@ -4,7 +4,7 @@ import org.scalatest.flatspec.AnyFlatSpec
 import org.scalatest.matchers.should.Matchers
 
 class ListAverageUnitTest extends AnyFlatSpec with Matchers {
-  val lst = List(1,2,3,4,5)
+  val lst = List(1, 2, 3, 4, 5)
 
   "naive" should "return rounded average 2" in {
     ListAverage.naive(lst) shouldBe 2