Deveel.Readline.GoBack C# (CSharp) Method

        private static void GoBack(int num)
        {
            int width;
            while (num > 0) {
                --posn;
                width = widths[posn];
                column -= width;
                while (width > 0) {
                    Console.Write('\u0008');
                    --width;
                }
                --num;
            }
        }