jiyugaoka:Swift? #0 でいろいろ試してみたコードたち

gistfile1.txt

/*
 * 下記サイトの問題を題材にさせていただきました
 * is AnyObject?: http://qiita.com/taketo1024/items/21d8c5fb81ab388ccdb6
 */
 
import Foundation

()     is AnyObject
1      is AnyObject
(1, 2) is AnyObject

(()         as ()? )                  is AnyObject
((nil)      as (NSNull)?)           is AnyObject
(("1", "2") as (NSString, NSString)?) is AnyObject
var c = nil as NSNull?
NSNull() is AnyObject


let n:Int32 = 1
n as NSNumber

protocol Sample {
}

extension Int: Sample {
}

(1 as Int)  is AnyObject
(1 as Int?) is AnyObject
(1 as Int????????) is Sample?

let a = c ?? 0
a!.dynamicType
//let b = c { }

let v1:Int? = nil
let v2:Int? = 2

switch (v1, v2) {
case (let a?, let b?):
    print(a, b)
case (nil, let b?):
    print(b)
case (nil, nil):
    print("nil")
default:
    break
}


import Swift
Swift.String

enum Element {
    case Dictionary([Swift.String: Element])
//    case Array(Element)
    case String(Swift.String)
    case `case`(Int)
}