Instance SubscriptFoundationEssentials
subscript(_:)
iOS 15.0+
iPadOS 15.0+
Mac Catalyst 15.0+
macOS 12.0+
tvOS 15.0+
watchOS 8.0+
Returns an attribute value that corresponds to an attributed string key.
@preconcurrency subscript<K>(_: K.Type) -> K.Value? where K : AttributedStringKey, K.Value : Sendable { get set }
Overview
Returns nil unless the specified attribute exists and is present and identical for the entire string or substring. Use runs to find portions with consistent attributes.