gistfile1.txt

case class User(name: String, homepageUrl: Option[String]) 
 
case class UserProfile(userName: String, profile: String) 
 
def findUser = Future.successful(User("Bob", Some("http://bob.com"))) 
 
def downloadProfile(url: String): Future[String] = Future.successful("Profile from the interwebs...") 
 
def profile(user: User): Future[Iterable[String]] = Future.sequence(user.homepageUrl.map(downloadProfile)) 
 
def userProfile(userName: String): Future[Iterable[UserProfile]] = 
  findUser.flatMap(profile).map(_.map(UserProfile(userName, _))) 
 
 
val profileFuture = userProfile("bob") 
val res = Await.result(profileFuture, 1.second)