ken0nek

import Foundation

/*
 https://developer.apple.com/library/content/documentation/LanguagesUtilities/Conceptual/iTunesConnect_Guide/Chapters/AppStoreTerritories.html
 */
public enum Country: String {
    case unitedArabEmirates = "ae"
    case antiguaAndBarbuda = "ag"
    case anguilla = "ai"
    case albania = "al"

ken0nek

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

import UIKit

struct URLCodableTest: Codable {
    let ou: URL?
    let u: URL

    enum CodingKeys: String, CodingKey {
        case ou

ken0nek

var result: [(hasSmile: Bool, leftEyeClosed: Bool, rightEyeClosed: Bool)] = []

for feature in features as! [CIFaceFeature] {

    result.append((feature.hasSmile, feature.leftEyeClosed, feature.rightEyeClosed))
}

if result.count >= 1 {
    if result[0].hasSmile {
        self.playerAttack()

ken0nek

//
//  RootViewController.swift
//  iOS9Sampler
//
//  Created by Shuichi Tsutsumi on 2015/06/10.
//  Copyright © 2015 Shuichi Tsutsumi. All rights reserved.
//

import UIKit

ken0nek

extension Double : ForwardIndexType {
    public func successor() -> Double {
        return self + 1.0
    }
}

infix operator ∫ { associativity left precedence 120 }
func ∫ (left: Range<Double>, right: (Double -> Double)) -> Double {
    let dx = (left.endIndex - left.startIndex) / 1000
    let r = left.startIndex.stride(to: left.endIndex, by: dx)

ken0nek

let start = NSDate()
// someMethod
let timeElapsed = -startTime.timeIntervalSinceNow
print(timeElapsed)

ken0nek

let romanStrs = ["M", "D", "C", "L", "X", "V", "I"]
let romanNums = [1000, 500, 100, 50, 10, 5, 1]

let romanToNum = zip(romanStrs, romanNums).reduce([String: Int]()) { (dic, t) in
    var dic = dic
    dic[t.1] = t.0
    return dic
}

ken0nek

[1, 2, 3, 4] -> ["0:1", "1:2", "2:3", "3:4"]

ken0nek

let numList = [5, 8, 4, 2].map { String(Double($0)) } // 割り算を正確に行うためにDouble型への変換をはさむ
print(numList)
// ["5.0", "8.0", "4.0", "2.0"]

let opeList = ["+", "/", "-"]

let zipped = zip(numList, opeList + [""])
let equation = zipped.reduce("") { $0 + $1.0 + $1.1 }
print(equation)

ken0nek

let num = 1234

// Int -> [String]
let numList = String(num).characters.flatMap { String($0) }
print(numList)
// ["1", "2", "3", "4"]

let opeList = ["+", "-", "*"]
let zipped = zip(numList, opeList + [""]) // 要素数を合わせる