初始化器
init(repeating:
init(repeating:count:)
創建一個包含指定數量的單個重複值的新集合。
聲明
init(
repeating repeatedValue: Self.Element,
count: Int
)
參數
repeatedValue
要重複的元素。
count
重複
repeating
參數中傳遞的值的次數。count
必須為零或更大。
詳述
下麵是創建一個數組的示例,該數組使用包含字母 Z
的五個字符串進行初始化。
let fiveZs = Array(repeating: "Z", count: 5)
print(fiveZs)
// Prints "["Z", "Z", "Z", "Z", "Z"]"
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 String.UnicodeScalarView init(repeating:count:)。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。