             }
         }
 
-        @inlinable
+        @inlinable // This is @inlinable as trivially forwarding.
         var endIndex: Int {
             switch self {
             case .empty: return 0

            }
        }

        @inlinable
        var count: Int {
            get {
                switch self {

            }
        }

        @inlinable // This is @inlinable as reasonably small.
        mutating func resetBytes(in range: Range<Index>) {
            switch self {
            case .empty:
