/**

数组的批量操作

*/

var array1 = [1,2,3,4,5];

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

print(array1)

// 将前两个元素替换成 9,9

array1[0...1] = [9,9]

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

print(array1)

array1[0...1] = [9,9,11]

// 将前两个元素替换成 "0"

array1[0...1] = [00]

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

print(array1)

/**

it will be removed in Swift 3. Use the '..<' operator.

*/

let range:CountableRange<Int> = (1 ..< 2)

array1.replaceSubrange(range,with: [9,90])

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

print(array1)

let range1 = 1...3

array1.replaceSubrange(range1,27)"> print("----------->")

print(array1)

/**

后面添加元素

*/

// array1.append(8)

// 后面加上这个数组

// array1 += [7,7]

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

print(array1)

array1 += array1[1...3]

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

print(array1)