         // Add 'end of stream' symbol.
         symbolOut.append(maxSymbol + 1)
 
-        // Huffman Coding
-        let bitWriter = BitWriter(bitOrder: .straight)
-
         // First, we analyze data and create Huffman trees and selectors.
         // Then we will perform encoding itself.
         // These are separate stages because all information about trees is stored at the beginning of the block,

    }

}

            }
            t?.code(symbol: symbol)
        }
    }

    static func mtf(_ array: [Int]) -> [Int] {
