scala.concurrent.Futureをscalaz.concurrent.Taskに変換する方法
あまり良い方法では無さそうだけど他に思いつかなかった import scala.concurrent.Future import scala.concurrent.ExecutionContext.Implicits.global import scala.util.{Success, Failure} import scalaz.concurrent.Task import scalaz.syntax.either._ implicit class FutureToTaskTransformer[+A](future: Future[A]) { def toTask: Task[A] = { Task.async { register => future.onComplete { case Success(v) => register(v.right) case Failure(e) => register(e.left) } } } } Futur...