var data = new { Library = "SmartFormat"};
_ = Smart.Format("Composed with {Library}.", data);
// Result: "Composed with SmartFormat."

var stringFormat = string.Format("{0} {0:N2} {1:yyyy-MM-dd}", 5, new DateTime(1900, 12, 31));
var smartFormat = Smart.Format("{0} {0:N2} {1:yyyy-MM-dd}", 5, new DateTime(1900, 12, 31));
// Result: (stringFormat == smartFormat) == true

var data = new [] {1, 2, 3, 4, 5};
_ = Smart.Format("{0:list:N2|, |, and }.", (object) data);
// Result: "1.00, 2.00, 3.00, 4.00, and 5.00."

var data = new[]  { new { Name = "John", Gender = 0 }, 
                    new { Name = "Mary", Gender = 1 } };
_ = Smart.Format("{Name} commented on {Gender:choose:his|her} photo", data[1]);
// Result: "Mary commented on her photo"

var data = new List<int[]> {
    new[] { 1, 2, 3 },
    new[] { 4, 5, 6 },
    new[] { 7, 8, 9 }
};
// "list" is the formatter name
_ = Smart.Format("{0:list:Elements\\: {:list:{:000}|, |, }|\n|\n}", data);
//                |                   |        | |       |      |
//                |                   |  element format  |      |
//                |                   |___ inner list ___|      |
//                |_______________________ outer list __________|
/* Result:
Elements: 001, 002, 003
Elements: 004, 005, 006
Elements: 007, 008, 009
*/