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  1.         public static T[] TupleToArray<T>(this IStructuralComparable tuple)
  2.         {
  3.             return EnumerateTuple<T>(tuple).ToArray();
  4.         }
  5.  
  6.         public static IEnumerable<T> EnumerateTuple<T>(this IStructuralComparable tuple)
  7.         {
  8.             if (tuple is T[] array) {
  9.                 foreach (var item in array) { yield return item; }
  10.             }
  11.             else if ( tuple is ValueTuple) { yield break; }
  12.             else if (tuple is ValueTuple<T> t1) { yield return t1.Item1; }
  13.             else if (tuple is ValueTuple<T,T> t2) { yield return t2.Item1; yield return t2.Item2; }
  14.             else if (tuple is ValueTuple<T,T,T> t3) { yield return t3.Item1; yield return t3.Item2; yield return t3.Item3; }
  15.             else if (tuple is ValueTuple<T, T, T, T> t4) { yield return t4.Item1; yield return t4.Item2; yield return t4.Item3; yield return t4.Item4; }
  16.             else if (tuple is ValueTuple<T, T, T, T, T> t5) { yield return t5.Item1; yield return t5.Item2; yield return t5.Item3; yield return t5.Item4; yield return t5.Item5; }
  17.             else if (tuple is ValueTuple<T, T, T, T, T, T> t6) { yield return t6.Item1; yield return t6.Item2; yield return t6.Item3; yield return t6.Item4; yield return t6.Item5; yield return t6.Item6; }
  18.             else if (tuple is ValueTuple<T, T, T, T, T, T, T> t7) { yield return t7.Item1; yield return t7.Item2; yield return t7.Item3; yield return t7.Item4; yield return t7.Item5; yield return t7.Item6; yield return t7.Item7; }
  19.             else foreach(var item in EnumerateTuple8<T>(tuple)) { yield return item; }
  20.         }
  21.  
  22.         private static IEnumerable<T> EnumerateTuple8<T>(this IStructuralComparable tuple)
  23.         {
  24.             dynamic d = tuple;
  25.  
  26.             yield return d.Item1;
  27.             yield return d.Item2;
  28.             yield return d.Item3;
  29.             yield return d.Item4;
  30.             yield return d.Item5;
  31.             yield return d.Item6;
  32.             yield return d.Item7;
  33.             foreach(var item in EnumerateTuple<T>(d.Rest)) { yield return item; }
  34.         }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
prog.cs(1,22): error CS1525: Unexpected symbol `T', expecting `class', `delegate', `enum', `interface', `partial', or `struct'
Compilation failed: 1 error(s), 0 warnings
stdout
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Standard output is empty
https://ideone.com/RUcYj6
language:
C# (gmcs 5.20.1)
created:
6 years ago
visibility:
public

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