yamashiro

trait Base extends App {
  def doRun(args:Array[String]);

  doRun(args)
}
object ConcreteClass extends Base {
  def doRun(args:Array[String]) {
    println(args)
  }
}

yamashiro

import sbt._
import Keys._
import com.github.retronym.SbtOneJar

object AggregateBuild extends Build {
    val specs = "org.specs2" %% "specs2" % "1.9" % "test"
    val specsResolver = Seq("snapshots" at "http://oss.sonatype.org/content/repositories/snapshots",
                           "releases"  at "http://oss.sonatype.org/content/repositories/releases")

    lazy val dependencies = Seq(specs)

yamashiro

trait ApiInjector {
  var twitter : TwitterApi = new TwitterApiImpl;
  //他にもいろいろなサービス
}

yamashiro

import org.specs2.mutable._

class SpecsStudyTest extends Specification with Tags {
  "world" should {
    "have 5 characters" in {
      "world".size must_== 5
    }
    "is beutiful" in {
      "world" must_== "beutiful"
    }

yamashiro

  val hello = TaskKey[Unit]("hello")
  val helloTask = hello <<= streams  map { (s: TaskStreams) =>
    s.log.info("Hello!")
    println("hello")
  }

  val compile = TaskKey[Unit]("compile")
  compile <<= (compile in Compile) dependsOn (hello)

yamashiro

import sbt._
import Keys._
import com.github.retronym.SbtOneJar
import scala._

object Build extends Build {
  val specs = "org.specs2" %% "specs2" % "1.9" % "test"
  val specsResolver = Seq("snapshots" at "http://oss.sonatype.org/content/repositories/snapshots",
    "releases"  at "http://oss.sonatype.org/content/repositories/releases")
  val mysqlDriver = "mysql" % "mysql-connector-java" % "5.1.19" % "runtime"

yamashiro

class Hoge() {}; var hoge = List(new Hoge()); hoge foldLeft(Map[String, Hoge]()) ( (map:Map[String,Hoge], hoge:Hoge) => map + ("hoge" -> hoge) );

yamashiro

import org.specs2.mutable._

class FunctionArgument {
  def hoge(func: => AnyRef, condition:Boolean = true) : String = {
    if (condition) {
      func.toString
    } else {
      "false"
    }
  }

yamashiro

import org.specs2.mutable._
trait BarTrait {}
class Hoge {}
class TraitGetClassTest extends Specification {
  "Trait mixin " should {
    "getClass " in {
      val hoge = new Hoge with BarTrait
      hoge.getClass.toString must_== "Hoge"
    }
  }

yamashiro

package study

import org.specs2.mutable.Specification
import scalaz.Identity
import org.sisioh.dddbase.core.Entity
import java.io._

class Hoge extends Specification {

  "Serial " should {