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  1. using System;
  2. using System.Text;
  3.  
  4. public class Foo {
  5. 	public Foo(int v) {
  6. 		Value = v;
  7. 	}
  8.  
  9. 	public int Value {get;}
  10. 	public static Bar operator*(string s, Foo f) {
  11. 		var sb = new StringBuilder();
  12. 		for (var i = 0; i < f.Value; i++) sb.Append(s);
  13. 		return new Bar(sb.ToString());
  14. 	}
  15. }
  16.  
  17. public class Bar {
  18. 	public Bar(string s) {
  19. 		Value = s;
  20. 	}
  21.  
  22. 	public string Value {get;}
  23. 	public static string operator*(Bar b, int c) {
  24. 		var sb = new StringBuilder();
  25. 		for (var i = 0; i < c; i++) sb.Append(b.Value);
  26. 		return sb.ToString();
  27. 	}
  28. 	public static implicit operator string(Bar b) => b.Value;
  29. 	public override string ToString() => Value;
  30. }
  31.  
  32. public class Test
  33. {
  34. 	public static void Main()
  35. 	{
  36. 		var u = new Foo(5);
  37. 		Console.WriteLine("!" * u);
  38. 		Console.WriteLine("!" * u * 4);
  39. 	}
  40. }
Success #stdin #stdout 0.04s 23912KB
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Standard input is empty
stdout
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!!!!!
!!!!!!!!!!!!!!!!!!!!
https://ideone.com/kXYtip
language:
C# (gmcs 5.20.1)
created:
10 years ago
visibility:
public

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