AsceticMonk

import Foundation

/*
    Improved Optional Binding: goodbye pyramid of doom
    Code and note extracted from: http://nshipster.com/swift-1.2/ (slightly modified)
*/

// Before Swift 1.2
let a = "10".toInt()
let b = "5".toInt()

AsceticMonk

/*
    Power of Protocol Extensions
    Some global functions became methods
*/

var languages = ["Spanish", "English", "Chinese", "Japanese"]

languages.contains("Italian")
print("We have \(languages.count) languages.")

AsceticMonk

import Foundation

class FavoriteCity {
    dynamic func currentWinner() -> String {
        return "Vancouver"
    }
    
    dynamic func lastWinner() -> String {
        return "Shanghai"
    }

AsceticMonk

import Foundation

let formatter = NSNumberFormatter()
formatter.locale = NSLocale.currentLocale()

// Currency
formatter.numberStyle = .CurrencyStyle
formatter.stringFromNumber(49.99)

// Currency in German

AsceticMonk

import Foundation

// DateInterval, new value type
let interval1 = DateInterval()
interval1.duration
print("Same start and end date? \(interval1.start == interval1.end)") // True

// Creating a date interval between now and 1 month later
let interval2 = DateInterval(start: Date(), duration: TimeInterval(2_628_000))
interval2.duration

AsceticMonk

import Foundation
import PlaygroundSupport

PlaygroundPage.current.needsIndefiniteExecution = true

// Do something on the main queue asynchronously
DispatchQueue.main.async {
  print("Update UI")
}