playground.swift

import UIKit


let code: String = "0001"
let num = code.toInt()! + 100
println(num)

// ---

let user_datas = [
    ["name": "hoge", "age": 20],
    ["name": "hoge", "age": 30],
    ["name": "hoge", "age": 40],
]

for user_data in user_datas {
    println(user_data["age"]! as Int + 5)
}

// ----

class Area {
    let id : Int
    var name : String
var title : String?
    var stages : [Stage]
    
    init(id : Int, name : String) {
        self.id = id
        self.name = name
        self.stages = []
    }
    
    func imagePath() -> String {
        return "areas/\(id).png"
    }
}

class Stage {
    let id : Int
    var name : String
    var areaId : Int
    
    init(id: Int, name: String, areaId: Int) {
        self.id = id
        self.name = name
        self.areaId = areaId
    }
    
    func imagePath() -> String {
        return "stage/\(id).png"
    }
}

class User {
    let id : Int
    var name : String
    
    init (id: Int, name: String) {
        self.id = id
        self.name = name
    }
}


let areas = [
    Area(id: 1, name: "japan"),
    Area(id: 2, name: "USA"),
]

let stages = [
    Stage(id: 1, name: "kiyomizudera", areaId: 1),
    Stage(id: 2, name: "mt fuji", areaId: 1),
    Stage(id: 3, name: "new york", areaId: 2),
    Stage(id: 4, name: "missisipi", areaId: 2),
]

let users = [
    User(id: 1, name: "hoge"),
    User(id: 2, name: "fuge"),
]


for area in areas {
    println(area.id)
    println(area.title)
    println(area.imagePath())
}

for stage in stages {
    println(stage.name)
}

for user in users {
    println(user.name)
}

// 関数を変数に代入
let foo = {(a: Int, b: Int) -> Int in
    return a + b
}

foo(1,2)

// 即時関数の結果を変数に代入
let str = {() -> String in
    return "hoge"
}()

let sum = {(a: Int, b: Int) -> Int in
    return a + b
}(1,2)


// 即時関数
// jsと同じように()で{}を囲う必要はある
({
    println("aaa")
})()

({() -> Void in
    println("aaa")
})()

({(a: Int, b: Int) -> Void in
    println(a + b)
})(2,2)