/**

结构体的实例化和成员访问

*/

struct Rect {

var width: Double = 5.0

var height: Double = 6.0

}

var rect: Rect = Rect()

// 访问成员变量

rect.width = 10

rect.height = 10

print("----------------->")

print(rect)

// (Rect #1)(width: 10.0,height: 10.0)

var rect1 = Rect()

print("----------------->")

// 初始值

print("rect1==\(rect1)")

rect1.width = 100

rect1.height = 101

print("----------------->")

print("rect1==\(rect1)")

// (Rect #1)(width: 100.0,height: 101.0)