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class EndlessIterator[T](iterable: Iterable[T]) extends Iterator[T] {
  assert(iterable.nonEmpty, "iterable is empty")

  private var _iterator = iterable.iterator

  private def iterator =
    if (_iterator.hasNext) _iterator
    else {
      _iterator = iterable.iterator
      _iterator

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{
    "type": "object",
    "$schema": "http://json-schema.org/draft-03/schema",
    "id": "#",
    "title":"Child",
    "properties": {
        "name": {
            "type": "string",
            "id": "name",
            "required": true

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package cqrs

import scala.reflect.ClassTag

object api {
  type Identifier = String
  def newIdentifier: Identifier = java.util.UUID.randomUUID().toString

  type Revision = Long
  val initialRevision: Revision = 0L

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import akka.util.ByteString
import ByteOrder.{BIG_ENDIAN, LITTLE_ENDIAN}

def putLongPart(order: ByteOrder) = ByteString.newBuilder.putLongPart(123, 4)(order).result()

require(putLongPart(BIG_ENDIAN) != putLongPart(LITTLE_ENDIAN))

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
  <component name="ProjectCodeStyleSettingsManager">
    <option name="PER_PROJECT_SETTINGS">
      <value>
        <option name="USE_SAME_INDENTS" value="true" />
        <option name="IGNORE_SAME_INDENTS_FOR_LANGUAGES" value="true" />
        <option name="OTHER_INDENT_OPTIONS">
          <value>
            <option name="INDENT_SIZE" value="2" />

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  lazy val flyway = new Flyway {
    setDataSource(dataSource)
  }

  def migrateToLatestDbVersion() {
    try flyway.migrate() catch {
      case e: FlywayException if e.getMessage.startsWith("Unable to check whether schema") =>
        flyway.init()
        flyway.migrate()
    }

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case class Coordinates(x: Double, y: Double)

object HaversineDistance {
  def apply(a: Coordinates, b: Coordinates): Double = {
    val deltaLat = math.toRadians(b.x - a.x)
    val deltaLong = math.toRadians(b.y - a.y)
    val x = math.pow(math.sin(deltaLat / 2), 2) + math.cos(math.toRadians(a.x)) * math.cos(math.toRadians(b.x)) * math.pow(math.sin(deltaLong / 2), 2)
    val greatCircleDistance = 2 * math.atan2(math.sqrt(x), math.sqrt(1 - x))
    3958.761 * greatCircleDistance
  }

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  lazy val dbCache: Option[Cache] = ???
  lazy val realCache: scala.concurrent.Future[Cache] = ???

  def cache: Option[Cache] = {
    realCache.value match {
      case Some(Success(x))     => Some(x)
      case None                 => dbCache
      case Some(Failure(error)) =>
        log.error(error)
        dbCache

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# Maven
target

# Idea
.idea/
*.iml
*.ipr

#JRebel
rebel.xml

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package com.evolutiongaming.serialization

import java.nio.charset.Charset

import akka.serialization.SerializerWithStringManifest

import scala.util.control.NoStackTrace


class BrokenSerializer extends SerializerWithStringManifest {