創造未來

Created: November-22, 2018

import scala.concurrent.Future
import scala.concurrent.ExecutionContext.Implicits.global

object FutureDivider {
    def divide(a: Int, b: Int): Future[Int] = Future {
        // Note that this is integer division.
        a / b
    }
}

很簡單，divide 方法建立一個 Future，它將使用 a over b 的商來解析。