ogatatsu

object RetryUtil {

  import scala.util.control.Exception.allCatch

  case class RetryResult[T](e: Either[List[Throwable], T]) {
    def `catch`(f: List[Throwable] => T): T = e match {
      case Right(r) => r
      case Left(l) => f(l)
    }
  }

ogatatsu

def connect = {
  log("connect") { // connect start
    // ... 何かの処理 ...
    log("login") { // connect : login start
      // ... 何かの処理 ... 
    } // connect : login end
    // ... 何かの処理 ...
  } // connect end
}

ogatatsu

implicit def l[A,B]: Either[A =:= A, A =:= B] = Left(=:=.tpEquals[A])
implicit def r[A,B]: Either[B =:= A, B =:= B] = Right(=:=.tpEquals[B])

def valueIsIntOrString[T](value: T)(implicit param: Either[T =:= String, T =:= Int]) = param match {
  case Left(t2String) =>
    println("value is String")
    println(t2String(value))
  case Right(t2Int) =>
    println("value is Int")