using System;

​

public class Program

{

    public static void Main()

    {

        var x = new Foo();

        Console.WriteLine(Foo.Separator);

        Console.WriteLine(x.SeparatorStr);

        Console.WriteLine(x.SeparatorStr + "Shit");

    }

}

public class Foo

{

    public const char Separator = '/';

​

    public string SeparatorStr => Foo.Separator.ToString();

}