操作符
..<(_:
..<(_:_:)
返回包含其下限但不包含其上限的半开范围。
声明
static func ..< (minimum: Self, maximum: Self) -> Range<Self>
参数
minimum
范围的下限。
maximum
范围的上限。
详述
使用半开范围运算符 (..<
) 创建符合 Comparable
协议的任何类型的范围。此示例创建一个从零到(但不包括)5.0 的Range<Double>
。
let lessThanFive = 0.0..<5.0
print(lessThanFive.contains(3.14)) // Prints "true"
print(lessThanFive.contains(5.0)) // Prints "false"
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 LazyPrefixWhileSequence.Index ..<(_:_:)。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。