using System;

public class Program

{

    static readonly Half MyVal = (Half)42; 

​

    // Since MyVal is not a const we can't use it in the declaration ...

    static void MyMethod(Half myArg)

    {

        Console.WriteLine(myArg);

    }

​

    // ... but we can use myArg in the overload 

    static void MyMethod() => MyMethod(MyVal);

    public static void Main()

    {

        MyMethod();

        MyMethod((Half)33);

    }

}