jrudolph

\u006f\u0062\u006a\u0065\u0063\u0074\u0020
\u0057\u0065\u006c\u006c\u006f\u0048\u006f\u0072\u006c\u0064\u0020
\u0065\u0078\u0074\u0065\u006e\u0064\u0073\u0020
\u0041\u0070\u0070\u0020\u007b\u000a\u0020
\u0020\u0070\u0072\u0069\u006e\u0074\u006c\u006e\u0028
\u0022\u0057\u0065\u006c\u006c\u006f\u0048\u006f\u0072\u006c\u0064\u0022
\u0029\u000a\u007d\u000a

jrudolph

object ExistentialsConsideredHarmful {
  class Animal(val name: String)
  object Dog extends Animal("Dog")
  object Sheep extends Animal("Sheep")

  trait Tools[A] {
    def shave(a: A): A
  }
  def tools[A](a: A): Tools[A] = null // dummy
  case class TransportBox[A <: Animal](animal: A, tools: Tools[A]) {

jrudolph

sealed abstract class Bound[+T] {  val value : T  }
case class Closed[T : Ordering](value : T) extends Bound[T]
case class Opened[T : Ordering](value : T) extends Bound[T]

object Bound {
  implicit def ordering[T: Ordering]: Ordering[Bound[T]] = Ordering.by((_: Bound[T]).value)
}

object BoundDemo {
 def main(args : Array[String]) : Unit = {

jrudolph

trait Holder {
  def x: String
  def y: Int

  def getX = {
    println("While initializing x")
    Thread.sleep(5000);
    println("Finished initializing x")
    null
  }

jrudolph

abstract class Action
case object Eat extends Action
case object Speak extends Action
case object Move extends Action

abstract class Creature (val action: Action) 

case class Fish (a: Action, val size: String) extends Creature (a)
case class Dog  (a: Action, val sound: String) extends Creature (a)

jrudolph

package cc.spray.examples.calculator

import akka.config.Supervision._
import akka.actor.Supervisor
import akka.actor.Actor._
import cc.spray._
import utils.ActorHelpers._

class Boot {
  

jrudolph

D/dalvikvm(14165): DexOptY: --- BEGIN 'classes.jar' (bootstrap=0) ---
D/dalvikvm(14166): creating instr width table
D/dalvikvm(14166): --- LinearAllocV(interfaces, 0x0, 16)
D/dalvikvm(14166): --- LinearAllocV(ifields, 0x0, 60)
D/dalvikvm(14166): --- LinearAllocV(directMethods, 0x0, 1092)
D/dalvikvm(14166): --- LinearAllocV(virtualMethods, 0x0, 3016)
D/dalvikvm(14166): CLASS: linking 'Ljava/lang/Class;'...
D/dalvikvm(14166): --- LinearAllocV(directMethods, 0x0, 104)
D/dalvikvm(14166): --- LinearAllocV(virtualMethods, 0x0, 572)
D/dalvikvm(14166): CLASS: linking 'Ljava/lang/Object;'...

jrudolph

trait X[T] {
  type Next[U] <: X[U]

  def add[U](gen: U): Next[(T, U)]
}

object Tester {
  val x: X[Int] = null
  val y =
    x.add(1)

jrudolph

scala> import collection.JavaConversions._
import collection.JavaConversions._

scala> def allIf(clazz: Class[_]): Seq[String] = clazz.getInterfaces.map(_.toString) ++ clazz.getInterfaces.flatMap(allIf)
allIf: (clazz: Class[_])Seq[String]

scala> val theClazz = Class.forName("scala.collection.immutable.StreamViewLike$$anon$10")
theClazz: Class[_] = class scala.collection.immutable.StreamViewLike$$anon$10

scala> val res0 = { allIf(theClazz) }

jrudolph

/bin
/gen