實例屬性
last
集合的最後一個元素。
聲明
var last: Self.Element? { get }
詳述
如果集合為空,則此屬性的值為 nil
。
let numbers = [10, 20, 30, 40, 50]
if let lastNumber = numbers.last {
print(lastNumber)
}
// Prints "50"
可用版本
iOS 8.0+, iPadOS 8.0+, macOS 10.10+, Mac Catalyst 13.0+, tvOS 9.0+, watchOS 2.0+
相關用法
- Swift Int8.Words last(where:)用法及代碼示例
- Swift Int8.Words lastIndex(of:)用法及代碼示例
- Swift Int8.Words lastIndex(where:)用法及代碼示例
- Swift Int8.Words lexicographicallyPrecedes(_:)用法及代碼示例
- Swift Int8.Words suffix(_:)用法及代碼示例
- Swift Int8.Words min()用法及代碼示例
- Swift Int8.Words suffix(from:)用法及代碼示例
- Swift Int8.Words map(_:)用法及代碼示例
- Swift Int8.Words prefix(upTo:)用法及代碼示例
- Swift Int8.Words allSatisfy(_:)用法及代碼示例
- Swift Int8.Words forEach(_:)用法及代碼示例
- Swift Int8.Words prefix(_:)用法及代碼示例
- Swift Int8.Words sorted(by:)用法及代碼示例
- Swift Int8.Words reduce(into:_:)用法及代碼示例
- Swift Int8.Words flatMap(_:)用法及代碼示例
- Swift Int8.Words starts(with:)用法及代碼示例
- Swift Int8.Words min(by:)用法及代碼示例
- Swift Int8.Words prefix(through:)用法及代碼示例
- Swift Int8.Words split(maxSplits:omittingEmptySubsequences:whereSeparator:)用法及代碼示例
- Swift Int8.Words compactMap(_:)用法及代碼示例
- Swift Int8.Words indices用法及代碼示例
- Swift Int8.Words reduce(_:_:)用法及代碼示例
- Swift Int8.Words shuffled()用法及代碼示例
- Swift Int8.Words index(_:offsetBy:limitedBy:)用法及代碼示例
- Swift Int8.Words shuffled(using:)用法及代碼示例
注:本文由純淨天空篩選整理自apple.com大神的英文原創作品 Int8.Words last。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。