import scala.collection.mutable

import scala.collection.mutable

def wordCounter(text: String): scala.collection.mutable.Map[String,Int] = {
  new mutable.HashMap[String,Int] ++ text.trim.split("\\s+").groupBy(x => x).mapValues(_.length)
}

def wCount(text: String): scala.collection.mutable.HashMap[String, Int] = {
  mutable.HashMap() ++= text.trim.split("\\s+").map(txt => (txt, txt.length)).toMap
}

val s: String = "dupa guwno cipa huj"
wordCounter(s)
wCount(s)


//-------------
wordCounter: wordCounter[](val text: String) => scala.collection.mutable.Map[String,Int]



wCount: wCount[](val text: String) => scala.collection.mutable.HashMap[String,Int]



s: String = dupa guwno cipa huj
res0: scala.collection.mutable.Map[String,Int] = Map(dupa -> 1, guwno -> 1, huj -> 1, cipa -> 1)
res1: scala.collection.mutable.HashMap[String,Int] = Map(guwno -> 5, dupa -> 4, huj -> 3, cipa -> 4)