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// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console

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$ brew install pari

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/*
 * scalac Enum.scala
 */

/**
 * Define Signal Enumeration
 */
object Signal extends Enumeration {

  val Green  = Value        //=> Val(0, "Green")

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trait Greeter {
  def greetTo(to: String): String
}

class HelloGreeter(name: String) extends Greeter {
  def greetTo(to: String) = s"${name} says 'Hello ${to}!'"
}

new HelloGreeter("Alice").greetTo("Bob") //=> Alice says 'Hello Bob!'

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public class Main {
  public static void main(String[] args) {
    // Signal class
    System.out.println(Signal.class.toString());

    // Signal$ class (Signal.type @ Scala)
    System.out.println(Signal$.class.toString());

    // Signal singleton object
    Signal$ obj = Signal$.MODULE$;

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sealed abstract class MailList {
  // コレクションとして扱うための抽象メソッド
  def +(mailbox: Mailbox): MailList
  
  // 別の型に変換するなどの処理
  def publish: String = this match {
    case Mailbox(str) => str
    case MailboxList(list) => list.map(_.publish).mkString(",")
  }
}

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import java.net.{InetAddress,UnknownHostException}
import util.parsing.combinator.RegexParsers

object IpParsers extends RegexParsers {
  def ipAddress: Parser[String] = """[0-9a-fA-F:\.]+""".r.withFilter { str =>
    try {
      val addr = InetAddress.getByName(str)
      true
    } catch {
      case e: UnknownHostException => false

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require 'formula'

class Jhcal < Formula
  homepage 'http://www2.tokai.or.jp/y_okamon/myfreesoft/jhcal/jhcal.html'
  url 'http://www2.tokai.or.jp/y_okamon/myfreesoft/jhcal/jhcal-2.0.tar.gz'
  sha1 'ae09d530c3e89da8624245f95378a7991b597101'

  def install
    system "make"
    bin.install "jhcal"

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public interface A {
  public static final String C = "hoge";
}

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class MyException(message: String = null, cause: Throwable = null) extends RuntimeException(message, cause) {
  def this(cause: Throwable) = this(Option(cause).map(_.toString).getOrElse(null), cause)
}