swfit 第二天

import Foundation

let a = [75 , 43, 103, 87, 12]

var abc: String = "hi,baobao"

var i = 0, b = 3

let minValue = UInt8.min

let maxValue = UInt8.max

for i   in a{

    if(i>50)

    {

        print(String(i)+"i>50")

    }else

    {

        print(String(i)+"i<50")

    }

    print(abc)

}

print(minValue)

print(maxValue)

//类别名

typealias abb  = Int

var a1 = 11;

print(a1)

var bl = true

var i = 2

if i == 1 {

    print("bl is ture")

}

else

{

    print("bl is false")

}

print(bl)

var a = (404,"nihao")

var (b,c) = a

print(b)

print(c)

swfit 第二天

原文：http://www.cnblogs.com/egai/p/5053514.html