KentarouKanno

import UIKit

class ViewController: UIViewController {

    @IBOutlet weak var bottomLayout: NSLayoutConstraint!
    let notificationCenter = NSNotificationCenter.defaultCenter()
    
    override func viewDidLoad() {
        super.viewDidLoad()

KentarouKanno

import UIKit

class ViewController: UIViewController {

    @IBOutlet weak var bottomLayout: NSLayoutConstraint!
    let notificationCenter = NSNotificationCenter.defaultCenter()
    
    override func viewDidLoad() {
        super.viewDidLoad()

KentarouKanno

Switch

★ Int

let code = 1001

switch code {
case 200:
    print("Success")
case 300, 301, 302:

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for , for - in , for case

★ for

// Swift2.1まで
for var i = 0 ; i < 10 ; i++ {
    print(i)
}

// Swift2.2以降は以下の書き方に変換されます

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Property

★ Stored Propertyies

// Lazy Stored Propertyies
lazy var lazyProperty: String = ""

// Property Observers

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flatMap

let stringArray = ["a","2","b","1","3"]

// nilを新しい配列に加えない
let intArray = stringArray.flatMap{ Int($0) }
//=> [2, 1, 3]

// .mapの場合(nilが入り、値もOptional)

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// Int

extension Int {
    func repeatFunc(task: () -> ()) {
        for _ in 0..<self {
            task()
        }
    }
}

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Optional

★ Optional型

//=> Optional(1)

var optionalOne: Int? = 1
var optionalOne = 1 as Int?
var optionalOne: Int? = .Some(1)
var optionalOne: Optional<Int> = 1

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enum

enum Season {
    case Spring
    case Summer
    case Autumn
    case Winter
}

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// 現在のファイル名
__FILE__
//=> /Users/******/Desktop/Swift_Practice/Swift_Practice/

// 現在の行数
__LINE__

// 現在のカラム数
__COLUMN__