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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Linq;
  4.  
  5. class Sample
  6. {
  7.     public string Value1 { get; set; }
  8.     public string Value2 { get; set; }
  9.     public override string ToString() {
  10.         return Value1 + "/" + Value2;
  11.     }
  12.  
  13.     public override int GetHashCode()
  14.     {
  15.         return Value2.GetHashCode();
  16.     }
  17.     public override bool Equals(object obj)
  18.     {
  19.         var other = obj as Sample;
  20.         return other == null ? false : this.Value2 == other.Value2;
  21.     }
  22. }
  23.  
  24. public class Test
  25. {
  26. 	public static void Main()
  27. 	{
  28. 		var list = new List<Sample>() { 
  29.             new Sample{ Value1 = "Apple", Value2="Red" },
  30.             new Sample{ Value1 = "Banana", Value2="Yellow" },
  31.             new Sample{ Value1 = "Lemon", Value2="Yellow" },
  32.         };
  33.  
  34.         list = list.Distinct().ToList();
  35.  
  36.         foreach (var n in list) {
  37.             Console.WriteLine(n);
  38.         }
  39.     }
  40. }
Success #stdin #stdout 0.04s 33936KB
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stdin
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Standard input is empty
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Apple/Red
Banana/Yellow
https://ideone.com/bubOSu
language:
C# (gmcs 5.20.1)
created:
11 years ago
visibility:
public

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