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  1. using System;
  2. using System.Diagnostics.Contracts;
  3.  
  4. public class Program {
  5. 	public static void Main() {
  6. 		short numero = 2017;
  7. 		var m = new ShortYear(numero);
  8. 		Console.WriteLine(m);
  9. 	}
  10. }
  11. //provavelmente teria implemnetações de operadores, outros métodos e das interfaces
  12. //IFormattable, IConvertible, IComparable<ShortYear>, IEquatable<ShortYear> e outras
  13. public struct ShortYear {
  14. 	public byte Year;
  15. 	public const short Century = 1900;
  16. 	public ShortYear(short value) {
  17. 		Contract.Ensures(value >= Century && value < Century + 256);
  18. 		Year = (byte)(value - Century);
  19. 	}
  20. 	public ShortYear(int value) {
  21. 		Contract.Ensures(value >= Century && value < Century + 256);
  22. 		Year = (byte)(value - Century);
  23. 	}
  24.     public static implicit operator short(ShortYear value) => (short)(value.Year + Century);
  25.     public static implicit operator int(ShortYear value) => value.Year + Century;
  26. 	public override int GetHashCode() => Year.GetHashCode();
  27. 	public override String ToString() => (Year + Century).ToString();
  28. }
  29.  
  30. //https://pt.stackoverflow.com/q/221079/101
Success #stdin #stdout 0.02s 26252KB
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2017
https://ideone.com/s47Cs4
language:
C# (gmcs 5.20.1)
created:
1 year ago
visibility:
public

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