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  1. using System;
  2.  
  3. public static class Test
  4. {
  5. 	public static IEnumerable<T> quicksort<T>(IEnumerable<T> this arg) {
  6. 		if (!arg.Any()) return arg;
  7. 		return arg.Where(val => val <= arg.First()).Concat(arg.Where(val => val > arg.First));
  8. 	}
  9. 	public static void Main()
  10. 	{
  11. 		// your code goes here
  12. 	}
  13. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
compilation info 
prog.cs(5,65): error CS1041: Identifier expected, `this' is a keyword
Compilation failed: 1 error(s), 0 warnings
stdout 
Standard output is empty
https://ideone.com/Bsnx44
language:
C# (gmcs 5.20.1)
created:
9 years ago
visibility:
public

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