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  1. using System;
  2.  
  3. public class Test
  4. {
  5. 	public static void Main()
  6. 	{
  7. 		// your code goes here
  8. 	}
  9. }
  10. public abstract class IComparableHelper<T>
  11.     where T : IComparableHelper<T>
  12. {  
  13. 	protected abstract bool Equals(T other);
  14. 	public abstract int GetHashCode();
  15. 	public override bool Equals(object obj)
  16. 	{
  17. 		if (ReferenceEquals(null, obj))
  18. 			return false;
  19. 		if (ReferenceEquals(this, obj))
  20. 	    	return true;
  21. 	    if (obj.GetType() != this.GetType())
  22. 	        return false;
  23. 	    return Equals((T)obj);
  24. 	}
  25. 	public static bool operator ==(IComparableHelper<T> left, IComparableHelper<T> right)
  26. 	{
  27. 		return Equals(left, right);
  28. 	}
  29.  
  30. 	public static bool operator !=(IComparableHelper<T>  left, IComparableHelper<T>  right)
  31. 	{
  32. 		return !Equals(left, right);
  33. 	}
  34. }
  35. public class Person : IComparableHelper<Person>
  36. {
  37. 	public Person(string name, int age)
  38. 	{
  39. 		this.Name = name;
  40. 		this.Age = age;
  41. 	}
  42. 	public string Name { get; private set; }
  43. 	public int Age { get; private set; }
  44.  
  45. 	protected override bool Equals(Person other)
  46. 	{
  47. 		return string.Equals(this.Name, other.Name) && this.Age == other.Age;
  48. 	} 
  49.     public override int GetHashCode()
  50.     {
  51.         unchecked
  52.         {
  53.             return (this.Name.GetHashCode() * 397) ^ this.Age;
  54.         }
  55.     }
  56. }
Success #stdin #stdout 0.01s 33528KB
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https://ideone.com/O4PAkf
language:
C# (gmcs 5.20.1)
created:
9 years ago
visibility:
public

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