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Simple use of future in Scala
2020-11-07 23:58:44 【read】
scala Future
object MyFuture {
def doWork(i: Int): Int = {
Thread.sleep(3 * 1000)
i
}
def main(args: Array[String]): Unit =
1 to 5 foreach { i =>
val future = Future {
blocking {
doWork(i)
}
}
future onComplete {
case Success(value) => println(value)
case Failure(exception) => println(exception)
}
// Through horizon transformation , Give Way Int Have a richer approach
// By inheritance AnyVal, That means this is one value class
/*
implicit final class DurationInt(private val n: Int) extends AnyVal with DurationConversions {
override protected def durationIn(unit: TimeUnit): FiniteDuration = Duration(n.toLong, unit)
}
*/
Await.result(future, 7 seconds)
}
}
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