using System;

namespace Program
{
	public class Program
	{
		public static void Main()
		{
			var lion = new Lion { Name = "Simba" };
			var tiger = lion.CreateMap<Tiger, Lion>(Cast);

			Console.WriteLine(tiger.FullName);
		}

		public static void Cast(Tiger dest, Lion src)
		{
			dest.FullName = src.Name;
		}
	}

	public class Lion
	{
		public string Name { get; set; }
	}

	public class Tiger
	{
		public string FullName { get; set; }
	}
}

namespace System {
	public static class ObjectExtensions {

		public static TDestination CreateMap<TDestination, TSource>(this TSource src, Action<TDestination, TSource> action) where TDestination : new()
		{
			var result = new TDestination();
			action(result, src);
			return result;
		}
	}
}