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  1. using System;
  2.  
  3. public class Test
  4. {
  5.  
  6.     class R { }
  7.     class A : R { }
  8.     class B : R { }
  9.  
  10.     static void pituh(A x, R y){
  11.         Console.WriteLine("A R");
  12.     }
  13.  
  14.     static void pituh(R x, B y){
  15.         Console.WriteLine("R B");
  16.     }
  17.  
  18.    static void pituh(R x, R y){
  19.         Console.WriteLine("R R");
  20.     }
  21.  
  22.  
  23.  
  24.  
  25.     static void d(R x, R y)
  26.     {
  27.         dynamic a = x;
  28.         dynamic b = y;
  29.         pituh(a, b);
  30.     }
  31.  
  32.     public static void Main(string[] args)
  33.     {
  34.     	d(new A(),new R());
  35.     	d(new A(),new B());
  36. 	d(new A(),new B());
  37. 	d(new B(),new A());
  38.  
  39.     }	
  40. }
  41.  
Runtime error #stdin #stdout #stderr 0.23s 32260KB
comments (?)
stdin
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Standard input is empty
stdout
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A R
stderr
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Unhandled Exception:
Microsoft.CSharp.RuntimeBinder.RuntimeBinderException: The call is ambiguous between the following methods or properties: `Test.pituh(Test.A, Test.R)' and `Test.pituh(Test.R, Test.B)'
  at (wrapper dynamic-method) System.Object:CallSite.Target (System.Runtime.CompilerServices.Closure,System.Runtime.CompilerServices.CallSite,System.Type,object,object)
  at System.Dynamic.UpdateDelegates.UpdateAndExecuteVoid3[T0,T1,T2] (System.Runtime.CompilerServices.CallSite site, T0 arg0, T1 arg1, T2 arg2) [0x00133] in <63992662b765477a898ef49cdcc99ee2>:0 
  at (wrapper dynamic-method) System.Object:CallSite.Target (System.Runtime.CompilerServices.Closure,System.Runtime.CompilerServices.CallSite,System.Type,object,object)
  at Test.d (Test+R x, Test+R y) [0x00057] in <29ffafb763be4ca0a1aedf18c25cedb8>:0 
  at Test.Main (System.String[] args) [0x00019] in <29ffafb763be4ca0a1aedf18c25cedb8>:0 
[ERROR] FATAL UNHANDLED EXCEPTION: Microsoft.CSharp.RuntimeBinder.RuntimeBinderException: The call is ambiguous between the following methods or properties: `Test.pituh(Test.A, Test.R)' and `Test.pituh(Test.R, Test.B)'
  at (wrapper dynamic-method) System.Object:CallSite.Target (System.Runtime.CompilerServices.Closure,System.Runtime.CompilerServices.CallSite,System.Type,object,object)
  at System.Dynamic.UpdateDelegates.UpdateAndExecuteVoid3[T0,T1,T2] (System.Runtime.CompilerServices.CallSite site, T0 arg0, T1 arg1, T2 arg2) [0x00133] in <63992662b765477a898ef49cdcc99ee2>:0 
  at (wrapper dynamic-method) System.Object:CallSite.Target (System.Runtime.CompilerServices.Closure,System.Runtime.CompilerServices.CallSite,System.Type,object,object)
  at Test.d (Test+R x, Test+R y) [0x00057] in <29ffafb763be4ca0a1aedf18c25cedb8>:0 
  at Test.Main (System.String[] args) [0x00019] in <29ffafb763be4ca0a1aedf18c25cedb8>:0
https://ideone.com/Jm5LJA
language:
C# (gmcs 5.20.1)
created:
8 years ago
visibility:
public

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