Instance MethodFoundationEssentials
index(beforeRun:)
iOS 15.0+
iPadOS 15.0+
Mac Catalyst 15.0+
macOS 12.0+
tvOS 15.0+
watchOS 8.0+
Returns the position of the run immediately before a run indicated by an index.
func index(beforeRun i: AttributedString.Index) -> AttributedString.IndexParameters
iThe index of a run in the attributed string.
Return Value
The position of the first run immediately before the beginning of the i-th run.