实例方法
append(_:)
将元素添加到集合的末尾。
声明
mutating func append(_ newElement: Self.Element)
参数
newElement
要附加到集合的元素。
详述
如果集合没有足够的容量容纳另一个元素,则会在附加 newElement
之前分配额外的存储空间。以下示例将一个新数字添加到整数数组中:
var numbers = [1, 2, 3, 4, 5]
numbers.append(100)
print(numbers)
// Prints "[1, 2, 3, 4, 5, 100]"
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(_:)。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。