ogatatsu

sudo apt update
sudo apt upgrade
sudo apt install build-essential
sudo apt install libgmp-dev
sudo apt install libmpc-dev
sudo apt install libmpfr-dev

wget http://core.ring.gr.jp/pub/GNU/binutils/binutils-2.33.1.tar.gz
tar xvzf binutils-2.33.1.tar.gz
cd ./binutils-2.33.1

ogatatsu

char ReportDescriptor[] = {
    0x05, 0x01,                    // USAGE_PAGE (Generic Desktop)
    0x09, 0x02,                    // USAGE (Mouse)
    0xa1, 0x01,                    // COLLECTION (Application)
    0x85, 0x02,                    //   REPORT_ID (2)
    0x09, 0x01,                    //   USAGE (Pointer)
    0xa1, 0x00,                    //   COLLECTION (Physical)
    0x95, 0x10,                    //     REPORT_COUNT (16)
    0x75, 0x01,                    //     REPORT_SIZE (1)

ogatatsu

Frame 17: 93 bytes on wire (744 bits), 93 bytes captured (744 bits) on interface 0
USB URB
    [Source: 3.15.0]
    [Destination: host]
    USBPcap pseudoheader length: 28
    IRP ID: 0xffffd48c68507520
    IRP USBD_STATUS: USBD_STATUS_SUCCESS (0x00000000)
    URB Function: URB_FUNCTION_CONTROL_TRANSFER (0x0008)
    IRP information: 0x01, Direction: PDO -> FDO
    URB bus id: 3

ogatatsu

{"lastUpload":"2020-08-08T10:10:20.923Z","extensionVersion":"v3.4.3"}

ogatatsu

def test(): Unit = {

  for(i <- 1 to 10) {
    println(i);
    if(i == 5) return;
  }

  println("test");  //実行されたら気持ち悪い
}

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

scala> val a: Either[Exception, Either[Exception, Int]] = Right(Right(10))
a: Either[Exception,Either[Exception,Int]] = Right(Right(10))

scala> a.joinRight
res0: Either[Exception,Int] = Right(10)

scala> val b: Either[Exception, Either[Exception, Int]] = Right(Left(new Exception("a")))
b: Either[Exception,Either[Exception,Int]] = Right(Left(java.lang.Exception: a))

scala> b.joinRight

ogatatsu

abstract class ProxyT[T <: ProxyT[T]](implicit cm: ClassManifest[T]) {
  val underlying: Any

  override def hashCode: Int = underlying.hashCode

  override def equals(other: Any): Boolean = other match {
    case that: T if(cm.erasure.isInstance(that)) => underlying.equals(that.underlying)
    case _ => false
  }
}

ogatatsu

class RichEither[A](e: Either[Throwable, A]) {
  def success: A = e match {
    case Right(r) => r
    case Left(l) => throw l
  }
}
implicit def eitherWrapper[A](e: Either[Throwable, A]) = new RichEither(e)