Instance SubscriptFoundationEssentials
subscript(_:_:)
iOS 15.0+
iPadOS 15.0+
Mac Catalyst 15.0+
macOS 12.0+
tvOS 15.0+
watchOS 8.0+
@preconcurrency subscript<T, U>(t: KeyPath<AttributeDynamicLookup, T>, u: KeyPath<AttributeDynamicLookup, U>) -> AttributedString.Runs.AttributesSlice2<T, U> where T : AttributedStringKey, U : AttributedStringKey, T.Value : Sendable, U.Value : Sendable { get }