// Online C# Editor for free

// Write, Edit and Run your C# code using C# Online Compiler

​

using System;

​

public class HelloWorld

{

    delegate int ToInt (string s);

    public static void Main(string[] args)

    {

        ToInt toInt = new ToInt(Work);

        string numberToString = "1";

        int result = toInt(numberToString);

        Console.WriteLine(result.GetType());

    }

    public static int Work(string s)

    {

        int value = Convert.ToInt32(s);

        return value;

    }

}