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  1. using System;
  2.  
  3. public class Test
  4. {
  5.     private class Wrap<T> where T : struct
  6.     {
  7.         public T Value;
  8.  
  9.         public static implicit operator Wrap<T>(T v) { return new Wrap<T> { Value = v }; }
  10.         public static implicit operator T(Wrap<T> w) { return w.Value; }
  11.  
  12.         public override string ToString() { return Value.ToString(); }
  13.         public override int GetHashCode() { return Value.GetHashCode(); }
  14.         // TODO other delegating operators/overloads
  15.     }
  16.  
  17.     private static void assign(ref int i)
  18.     {
  19.         i = 42;
  20.     }
  21.  
  22.     public static void Main()
  23.     {
  24.         Wrap<int> element = 7;
  25.         var vars = new Wrap<int>[] {1, 2, element, 3, 4};
  26.         Console.WriteLine(vars[2]);
  27.         assign(ref vars[2].Value);
  28.         Console.WriteLine(element);
  29.     }
  30. }
Success #stdin #stdout 0.02s 38000KB
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stdin
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Standard input is empty
stdout
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7
42
https://ideone.com/b0m7T
language:
C# (gmcs 5.20.1)
created:
12 years ago
visibility:
public

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