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  1. using System;
  2.  
  3. public class Program {
  4. 	public static void Main() {
  5. 		var (deuCerto, resultado) = "123".TryParseInt32();
  6. 		if (deuCerto) Console.WriteLine(resultado);
  7. 	}
  8. }
  9.  
  10. namespace System {
  11. 	public static class StringExt {
  12. 		public static (bool ok, int result) TryParseInt32(this string text) => (int.TryParse(text, out var result), result);
  13. 	}
  14. }
  15.  
  16. //https://pt.stackoverflow.com/q/195460/101
Success #stdin #stdout 0.02s 16000KB
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stdin
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Standard input is empty
stdout
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123
https://ideone.com/LvvWqC
language:
C# (gmcs 5.20.1)
created:
3 years ago
visibility:
public

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