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A showcase of union in C#. Ha-ha.
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| using System; | |
| using System.Runtime.InteropServices; | |
| namespace ConsoleApp77 | |
| { | |
| class User | |
| { | |
| public string Name { get; set; } | |
| public string Surname { get; set; } | |
| public string Password { get; set; } | |
| } | |
| class UserDTO | |
| { | |
| public string Name { get; set; } | |
| public string Surname { get; set; } | |
| } | |
| [StructLayout(LayoutKind.Explicit)] | |
| struct MyDuck | |
| { | |
| [FieldOffset(0)] | |
| public User User; | |
| [FieldOffset(0)] | |
| public UserDTO UserDTO; | |
| } | |
| class Program | |
| { | |
| static void Main(string[] args) | |
| { | |
| var user = new User | |
| { | |
| Name = "Vassily", | |
| Surname = "Poopkeen", | |
| Password = "12345" | |
| }; | |
| var duck = new MyDuck | |
| { | |
| User = user | |
| }; | |
| UserDTO dto = duck.UserDTO; // works! :D | |
| Console.WriteLine(dto.Name); // Vassily | |
| Console.WriteLine(dto.GetType()); // ConsoleApp77.User ?! | |
| } | |
| } | |
| } |
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