mielientiev

// build.sbt
val slick = Seq(
  "com.typesafe.slick" %% "slick" % "3.2.1",
  "org.slf4j" % "slf4j-nop" % "1.6.4",
  "com.typesafe.slick" %% "slick-hikaricp" % "3.2.1",
  "com.h2database" % "h2" % "1.4.196"
)
val scalaz = Seq(
  "org.scalaz" %% "scalaz-core" % "7.2.17"
)

mielientiev

Create Index

curl -XPUT 'localhost:9200/auto?pretty' -H 'Content-Type: application/json' -d'
{
    "settings" : {
        "number_of_shards" : 1
    },
    "mappings" : {
        "car" : {

mielientiev

import scala.concurrent.duration.Duration
import scala.concurrent.{Await, Future}
import scala.concurrent.ExecutionContext.Implicits.global
import scala.util.{Failure, Success, Try}

object Main {

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

    val seq = Seq(Future("a"), Future("b"), Future(throw new NullPointerException("abc")), Future("c"))

mielientiev

  trait TestCo {
    type CoVariant[+T, _ <: Exception]
    def unwrap[T](value: => CoVariant[T, _ <: Exception]): T
  }
// works fine, since Option is covariant
  class TestCoImpl extends TestCo {
    type CoVariant[+T, _ <: Exception] = Option[T]
    def unwrap[T](value: => CoVariant[T, _ <: Exception]): T = value.get
  }

mielientiev

//Controller

import play.api.mvc.{Action, Controller}

class HelloWorldController extends Controller {

  def helloWorld() = Action {
    Ok("Hello World")
  }