public void ConvertStrToInt_V1()
        {
            var       allDigitStr = AllDigitStringAnswer.Create("123");
            var       actual      = ConvertStrToInt_Answer.ConvertStrToInt_V1(allDigitStr);
            const int expected    = 123;

            Assert.AreEqual(expected, actual);
        }
 /// <summary>
 /// With constrained input
 /// </summary>
 public static int ConvertStrToInt_V1(AllDigitStringAnswer input)
 {
     var str = input.Value;
     return int.Parse(str);
 }
        /// <summary>
        /// With constrained input
        /// </summary>
        public static int ConvertStrToInt_V1(AllDigitStringAnswer input)
        {
            var str = input.Value;

            return(int.Parse(str));
        }