實例方法
append(contents
append(contentsOf:)
將序列或集合的元素添加到此集合的末尾。
聲明
mutating func append<S>(contentsOf newElements: S) where S : Sequence, Self.Element == S.Element
參數
newElements
要附加到集合的元素。
詳述
附加到的集合分配任何額外的必要存儲來保存新元素。
以下示例將 Range<Int>
實例的元素附加到整數數組:
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:本文由純淨天空篩選整理自apple.com大神的英文原創作品 Substring.UnicodeScalarView append(contentsOf:)。非經特殊聲明,原始代碼版權歸原作者所有,本譯文未經允許或授權,請勿轉載或複製。