操作符
+=(_:
+=(_:_:)
将序列的元素附加到 range-replaceable 集合。
声明
static func += <Other>(lhs: inout Self, rhs: Other) where Other : Sequence, Self.Element == Other.Element
参数
lhs
要附加到的数组。
rhs
集合或有限序列。
详述
使用此运算符将序列的元素附加到具有相同 Element
类型的 range-replaceable 集合的末尾。此示例将 Range<Int>
实例的元素附加到整数数组。
var numbers = [1, 2, 3, 4, 5]
numbers += 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:本文由纯净天空筛选整理自apple.com大神的英文原创作品 String.UnicodeScalarView +=(_:_:)。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。