別看我 我只是過往云煙

swift 3.0
// for-each循環
(1...10).forEach {
    print($0)
}
// 反轉
for i in (1...10).reversed() {
    print(i)
}
 
let array = [1, 5, 3, 2, 4]
// 遍歷
for (index, value) in array.enumerated() {
    print("\(index + 1) \(value)")
}
let numberOfLegs = [“spider” : 8, “cat” : 4]
for (animalName, legCount) in numberOfLegs {
     print(animalName, legCount)
}

for i in 0 ..< attributes.count{

}
attributes.count 等于 2  打印出來 0 1
attributes.count 等于 3  打印出來 0 1 2
for var i = 0 ; i<5 ;i++ { 
     println("i=\(i)")           
}
for temp in [temp] {

}

for (int i = 0; i < 10; i++) {
         
}

for var index = 0; index < 3; ++index {
     print(index)
}


//
        var count: Int = 0
        repeat {
            print("我是repeat")
            count++
        } while count < 5
            print("END")