parz:免费Monad进行并行计算

帕兹 免费Monad面值我还没有闲着:) ##打开模式 1.添加类型 class IOReq [ A ] extends Request [ A ] case class Get ( q : String ) extends IOReq [ String ] case class Put ( r : String ) extends IOReq [ Unit ] 2.增加功能 def get ( q : String ) = Get (q) def put ( p : String ) = Put (p) def add ( b : String , c : String ) = b + c 3，增加理解 val test = for { a < - get( " get a " ) d < - pure(add _) < * > get(