Instance MethodFoundationEssentials
index(_:offsetBy:limitedBy:)
iOS 15.0+
iPadOS 15.0+
Mac Catalyst 15.0+
macOS 12.0+
tvOS 15.0+
watchOS 8.0+
func index(_ i: AttributedString.Index, offsetBy distance: Int, limitedBy limit: AttributedString.Index) -> AttributedString.Index?