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  1. using System;
  2.  
  3. public class Test
  4. {
  5. 	public static void Main()
  6. 	{
  7. 		var x = 1;
  8. 		if (true) {
  9. 		    Console.WriteLine(x);
  10. 		    if (x < 10) {
  11. 		        var x = 20;
  12. 		        Console.WriteLine(x);
  13. 		    }
  14. 		    Console.WriteLine(x);
  15. 		}
  16. 	}
  17. }
Compilation error #stdin compilation error #stdout 0.03s 23888KB
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stdin
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Standard input is empty
compilation info 
prog.cs(11,15): error CS0136: A local variable named `x' cannot be declared in this scope because it would give a different meaning to `x', which is already used in a `parent or current' scope to denote something else
Compilation failed: 1 error(s), 0 warnings
stdout
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Standard output is empty
https://ideone.com/b2BUgJ
language:
C# (gmcs 5.20.1)
created:
7 years ago
visibility:
public

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