实例方法
append(contents
append(contentsOf:)
将序列或集合的元素添加到此集合的末尾。
声明
mutating func append<S>(contentsOf newElements: S) where S : Sequence, Self.Element == S.Element
参数
newElements
要附加到集合的元素。
详述
附加到的集合分配任何额外的必要存储来保存新元素。
以下示例将 Range<Int>
实例的元素附加到整数数组:
var numbers = [1, 2, 3, 4, 5]
numbers.append(contentsOf: 10...15)
print(numbers)
// Prints "[1, 2, 3, 4, 5, 10, 11, 12, 13, 14, 15]"
可用版本
iOS 8.0+, iPadOS 8.0+, macOS 10.10+, Mac Catalyst 13.0+, tvOS 9.0+, watchOS 2.0+
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注:本文由纯净天空筛选整理自apple.com大神的英文原创作品 Substring.UnicodeScalarView append(contentsOf:)。非经特殊声明,原始代码版权归原作者所有,本译文未经允许或授权,请勿转载或复制。