P256K P256K P256K.Schnorr P256K.Schnorr.Nonce sorted(using:) Instance Method sorted(using:) iOS 15.0+ macOS 12.0+ tvOS 15.0+ watchOS 8.0+ func sorted<Comparator>(using comparator: Comparator) -> [Self.Element] where Comparator : SortComparator, Self.Element == Comparator.Compared