map objects c# with automapper

static void AutoMapper()
{
  Mapper.Initialize(cfg => {
    cfg.CreateMap<int, string>().ConvertUsing(i => i.ToString());
    cfg.CreateMap<int, DateTime>().ConvertUsing(i => DateTime.Now);
  });
  Mapper.AssertConfigurationIsValid();
  var str1 = Mapper.Map<string>(3);
  var str2 = Mapper.Map<DateTime>(3);
  Console.WriteLine(str1);
  Console.WriteLine(str2);
}