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如何用scalaz-stream替换编写为顺序状态转换流的程序？
我试图了解如何重组程序，该程序以前是作为状态转换序列编写的： 我有一些业务逻辑： type In = Long type Count = Int type Out = Count type S = Map[Int, Count] val inputToIn: String => Option[In] = s => try Some(s.toLong) catch { case _ : Throwable => None } def transition(in: In): S => (S, Out) = s => { val …