實例方法
suffix(_:)
返回一個子序列,最長為給定的最大長度,包含集合的最終元素。
聲明
func suffix(_ maxLength: Int) -> Self.SubSequence
返回值
一個在集合末尾終止的子序列,最多包含 maxLength
個元素。
參數
maxLength
要返回的最大元素數。
maxLength
必須大於或等於零。
詳述
如果最大長度超過集合中元素的數量,則結果包含整個集合。
let numbers = [1, 2, 3, 4, 5]
print(numbers.suffix(2))
// Prints "[4, 5]"
print(numbers.suffix(10))
// Prints "[1, 2, 3, 4, 5]"
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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