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  1. using static System.Console;
  2. using System.Collections.Generic;
  3.  
  4. using System;
  5.  
  6. public class Program {
  7. 	public static void Main() {
  8. 		WriteLine(typeof(Nullable).Name);
  9. 		WriteLine(typeof(Nullable<>).Name);
  10. 		int? nInt = 0;
  11. 		decimal? nDecimal = 0M;
  12. 		List<int> lInt = new List<int>();
  13. 		int xInt = 1;
  14. 		string xString = "";
  15. 		decimal xDecimal = 2M;
  16. 		Dictionary<string, int> dStingInt = new Dictionary<string, int>();
  17. 		PrintObject<int?>(nInt);
  18. 		PrintObject<decimal?>(nDecimal);
  19. 		PrintObject<List<int>>(lInt);
  20. 		PrintObject<int>(xInt);
  21. 		PrintObject<string>(xString);
  22. 		PrintObject<decimal>(xDecimal);
  23. 		PrintObject<Dictionary<string, int>>(dStingInt);
  24. 	}
  25. 	private static void PrintObject<T>(T obj) {
  26. 		var type = typeof(T); 
  27. 		var generic = type.IsGenericType;
  28. 		var nullable = generic && type.GetGenericTypeDefinition() == typeof(Nullable<>);
  29. 		WriteLine($"{type.Name} - {type.IsGenericType} - {(generic ? type.GetGenericTypeDefinition().Name : (""))} - {(nullable ? Nullable.GetUnderlyingType(type).Name : (""))} - {type.Name}\n");
  30. 	}
  31. }
  32.  
  33. //https://pt.stackoverflow.com/q/185142/101
Success #stdin #stdout 0.02s 16372KB
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Nullable
Nullable`1
Nullable`1 - True - Nullable`1 - Int32 - Nullable`1

Nullable`1 - True - Nullable`1 - Decimal - Nullable`1

List`1 - True - List`1 -  - List`1

Int32 - False -  -  - Int32

String - False -  -  - String

Decimal - False -  -  - Decimal

Dictionary`2 - True - Dictionary`2 -  - Dictionary`2
https://ideone.com/br1wNT
language:
C# (gmcs 5.20.1)
created:
3 years ago
visibility:
public

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