monix

Scala Task return mapping

时光怂恿深爱的人放手 提交于 2019-12-24 06:31:12
问题 I have a method readHeader which takes one argument and returns Task[List[Header]] and another method calls for multiple ids and returns List[Task[List[EquipmentHeader]]] . How to make a return of Task[List[List[Header]]] compatible with multiple id read function. trait M1{ def readHeader(id: String): Task[List[Header]] } def read(ids: List[String])(implicit m1:M1):Task[List[List[Header]]] = { if (ids.isEmpty) { Task(List.empty) } else { ids.map(m1.readHeader(_)) //List[Task[List[Header]]] }