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class ArrayOps[A](val self: Array[A]) extends AnyVal {

  def apply[I: ArrayIdx](i: I) = self(i.idx)
}

trait ToArrayOps {

  implicit def ToArrayOps[A](array: Array[A]) = new ArrayOps[A](array)
}

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// Playground - noun: a place where people can play

func fizzBuzz1(i: Int) -> String {
    switch (i % 5, i % 3) {
    case (0, 0):
        return "FuzzBuzz"
    case (0, _):
        return "Buzz"
    case (_, 0):
        return "Fizz"

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import Foundation

class Regex {
    let internalExpression: NSRegularExpression
    let pattern: String

    init(_ pattern: String) {
        self.pattern = pattern
        var error: NSError?
        self.internalExpression = NSRegularExpression(pattern: pattern, options: nil, error: &error)!

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// http://www.softantenna.com/wp/software/5-programming-problems/
object Prob {

  def p1(list: List[Int]) = {
    def addRec(list: List[Int], acc: Int): Int = list match {
      case Nil     => acc
      case x :: xs => addRec(xs, acc + x)
    }
    addRec(list, 0)
  }

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!SLIDE

# gist-slideを試してみる

[これ](http://gist-slide.appspot.com/1191887/gist-slide)

!SLIDE

## どーよ

nisshiee

package iteratee.practice

import scalaz._
import Scalaz._
import effects._
import java.io.File

/**
 * http://code.google.com/codejam/contest/1343486/dashboard
 * の問題ファイルを読み込んでみる練習

nisshiee

package iteratee.practice

import scalaz._
import Scalaz._
import IterV._
import effects._
import java.io.File

/**
 * scalazのIterateeを使ってファイルを読み込む練習

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object Hello extends App {
  println("Hello World!")
}

nisshiee

import java.io.{ BufferedReader, FileReader }

import scalaz._, Scalaz._
import scalaz.effects._
import IterV._

object App {
  def main(args: Array[String]) {
    val br = new BufferedReader(new FileReader("test2.txt"))
    val io = byEnumerator(br)

nisshiee

import scalaz._, Scalaz._

trait ControllerHelper {

  // Seq[String]から型Tのデータを抽出する型クラス
  trait Extractor[T] {
    def extract(data: Seq[String]): Option[T]
  }

  // Extractorを簡単に生成できるようにする