yaroslav-ulanovych

package foo

import java.util.concurrent.TimeUnit

import akka.actor.{ActorSystem, Props}
import akka.pattern.ask
import akka.persistence.{PersistentActor, RecoveryCompleted}
import akka.util.Timeout
import com.typesafe.config.ConfigFactory
import org.scalatest.{FunSuite, Matchers}

yaroslav-ulanovych

package foo

import java.util.concurrent.TimeUnit

import akka.actor.{ActorSystem, Props}
import akka.pattern.ask
import akka.persistence.{PersistentActor, RecoveryCompleted}
import akka.util.Timeout
import com.typesafe.config.ConfigFactory
import org.scalatest.{FunSuite, Matchers}

yaroslav-ulanovych

package foo

import java.lang.ref.WeakReference

class Listeners[T] {
  private var buffer = List[WeakReference[T => Unit]]()

  def fire(e: T): Unit = {
    buffer.map(_.get()).filter(_ ne null).foreach(_.apply(e))
    buffer = buffer.filter(_.get() ne null)

yaroslav-ulanovych

classOf[String].getDeclaredMethods.map(_.getName).toSet[String].map(x => (x, math.abs(x.hashCode) % 256)).groupBy(_._2).toList.sortBy(_._1).map(x => s"${x._1}(${x._2.size}}): ${x._2.map(_._1).mkString(", ")}").foreach(println)

yaroslav-ulanovych

package foo

class Entity extends DelayedInit {

  def delayedInit(x: => Unit) {x}

  class Field

  protected def EntityField[T <: Entity: Manifest] = new Field

yaroslav-ulanovych

package com.mahpella.snake.core

import collection.mutable
import scala.collection.mutable.{ListBuffer, ArrayBuffer}
import scala.util.control.Exception._

class Field(map: GameMap) extends Object with ClockDriven {

  val width = map.width
  val height = map.height

yaroslav-ulanovych

// any to json
Extraction.decompose(a: Any)(implicit formats: Formats): JValue

// json to case class
Extraction.extractOpt[A](json: JValue)(implicit formats: Formats, mf: Manifest[A]): Option[A]

// json to string
Printer.compact(d: Document): String
Printer.pretty(d: Document): String
JsonAST.render(value: JValue): Document

yaroslav-ulanovych

  implicit def toEqualable[T](obj: T) = new {
    def === (other: T): Boolean = {
      obj == other
    }
  }