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  1. using System.Text.Json;
  2.  
  3. public class Test
  4. {
  5. 	public static void Main()
  6. 	{
  7. 		var contractV2Json = JsonSerializer.Serialize(new ContractV2 { Letters = EvolvedLetters.A });
  8. 		try{
  9. 			//we recieve event with new enum, but as a consumer I did not updated and I have old Contract class for this event
  10. 			//so when I as a consumer will try to get it from the queue this deserialization will happen
  11. 			var deserializedContractFromContract2 = JsonSerializer.Deserialize<Contract>(contractV2Json);
  12. 			Console.WriteLine($"deserialization success {deserializedContractFromContract2.Letters}");
  13. 		}
  14. 		catch(Exception ex){
  15. 			Console.WriteLine($"deserialization failed. Ex: {ex}");
  16. 		}
  17. 	}
  18. }
  19.  
  20.  
  21. public class Contract
  22. {
  23.     public Letters Letters { get; set; }
  24. }
  25.  
  26. public class ContractV2
  27. {
  28.     public EvolvedLetters Letters { get; set; }
  29. }
  30.  
  31. public enum Letters
  32. {
  33.     A = 1,
  34.     B = 2,
  35.     C = 3,
  36. }
  37.  
  38. public enum EvolvedLetters
  39. {
  40.     A = 1,
  41.     B = 2,
  42.     C = 3,
  43.     D = 4,
  44. }
Success #stdin #stdout 0.12s 33940KB
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Standard input is empty
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deserialization success A
https://ideone.com/eB01nD
language:
C# (NET 6.0)
created:
46 days ago
visibility:
public

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