private static void Sample8()
 {
     const string src = "NumA + NumB = #{NumA+NumB}";
     var nums = new Numbers { Num = new[] { "1", "2" }, NumA = 1, NumB = 2 };
     var interpolatables = nums.InterpolateThis(src);
     Print(src, interpolatables);
 }
 private static void Sample5()
 {
     const string src = "This is the first number #{Num[0]}";
     var nums = new Numbers { Num = new string[] { "1", "2", "3" } };
     var interpolated = nums.InterpolateThis(src);
     Print(src, interpolated);
 }