futures.scala

#!scala

import scala.concurrent.ExecutionContext.Implicits.global
import scala.util.Success
import scala.util.Failure

val x: Future[Boolean] = Future.successful(true)
val y: Future[Boolean] = Future.successful(false)

val xMapped: Future[Int] = x.map(_ match { case true => 42 case false => throw new Exception("hey") })

xMapped onComplete { case Success(n) => println(s"Success $n") case Failure(e) => println(s"Failure ${e}") }

val yMapped: Future[Int] = y.map(_ match { case true => 42 case false => throw new Exception("hey") })

yMapped onComplete { case Success(n) => println(s"Success $n") case Failure(e) => println(s"Failure ${e}") }

showcase how scala Futures integrate with Exceptions